Answer:
In replication, the end result is two daughter cells.
Explanation:
The end product of DNA replication is two identical daughter DNA molecules, each composed of one old and one new strand. The 'end-replication problem' causes a loss of DNA at the 5' end in linear chromosomes, which is partly addressed by telomeres.
The end product of replication is two identical daughter duplex DNA molecules. Each is comprised of one original (parental) and one new (daughter) DNA strand. This occurs due to DNA replication, which is essential for cell division and is facilitated by a host of enzymes and proteins. During this process, an RNA primer is required to initiate synthesis. Problems such as the end-replication problem affect the 5' ends of linear chromosomes, where RNA primers are removed, causing a gradual loss of DNA sequences with each cell division. Telomeres help mitigate this issue to an extent. The RNA primers used during replication are replaced with DNA nucleotides, but the primer at the 5' termini cannot be replaced, leading to progressively shorter DNA strands with successive replications.
Furthermore, in some organisms like bacteriophages, during replication, DNA can be produced in a concatameric form which is later cleaved to package a single genome inside the phage capsid. This unique replication method is important within the context of viral DNA replication.
An individual’s behavior characteristics, emotional expression, and intensity that is established from birth is known as __________.
A. Attachment
B. Temperament
C. Security
D. Contact comfort
An individual’s behavior characteristics, emotional expression, and intensity that is established from birth is known as temperament.
Answer:
Temperament-Edge 2020
Explanation:
who is cuche girl...........
Answer:
uhhhh..
Explanation:
what's the difference between a fungus and a parasite?
Difference between fungus and parasite:
1. Some mushrooms are considered parasites.
2. The fungus belongs to a single Kingdom called Fungi, while parasites belonging to several Kingdoms include Bacteria, Protozoa, Fungi, and Animalia.
3. All parasites cause injury or disease to their host, whereas only a few species of fungi cause disease in humans and plants.
4. Unlike parasites, certain fungal species have commercial value.
Explanation:
The fungus is a plant that does not have chlorophyll so it is heterotrophic. Fungi are unicellular and multicellular. The body consists of threads called hyphae.
Mushrooms have 2 reproductive organs, namely Asexual and Sexual
1. Asexual Reproduction, namely Asexual Mushrooms that reproduce will produce spores, buds, and fragmentation.
2. Sexual Reproduction, namely mushrooms that reproduce sexually using reproductive organs such as Zigospores, Askospores, and Basidiospores.
Small animal parasites that can reduce the productivity of the animals they are riding. Parasites can attack humans and animals, such as attacking human skin.
Bacteria-including Kingdom:
1. Protozoa
Protozoa are cellular organisms whose nature is eukaryotic with no cell walls and heterotrophs and can also move (motile).
2. Fungi
The name regnum is from a large group of heterotrophic eukaryotic living things that digest food outside the body and then absorb nutrient molecules into its cells.
3. Animalia
Having eukaryotic cells is composed of many cells which have differentiated to form tissue.
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The blood type of Tamari’s blood type is A+ and that of her mother is B+. However, Tamari’s blood type is AB+. What is the correct explanation for this.
Answer AND Explanation:
The fact that the father has blood group A with rhesus factor positive and mother blood group B with rhesus factor, provides a possible scenario for Tamari to both the genes from the parents thus her blood is AB. Since both parents are rhesus positive, then Tamari's rhesus is likely to be positive. Gene A and B have equal degrees of dominance that is they are codominant and will both express themselves when present together as in both AB blood group.
Final answer:
Tamari's AB+ blood type comes from inheriting an A allele from her father and a B allele from her mother, given her mother's B+ blood type. Her father also contributes the Rh factor, making Tamari Rh positive (Rh+). This explains the AB+ blood type through the principle of codominance in the ABO blood group system.
Explanation:
The blood type of an individual is determined by the type of antigens present on the surface of their red blood cells. We can explain Tamari's blood type AB+ in the context of Mendelian genetics. The ABO blood group system is based on codominance, where two different alleles can be expressed at the same time.
According to the problem, Tamari has blood type AB+, and her mother has blood type B+. For Tamari to have an AB blood type, she must have inherited one A allele from one parent and one B allele from another. Since Tamari's mother has blood type B+, she would have either the genotype IBIB or IBi (where "i" stands for the O allele).
Tamari's AB+ blood type suggests one of her parents must have an A allele to contribute. This implies her father must provide the A allele, as well as the Rh positive factor since Tamari is Rh positive (Rh+).
Thus, Tamari's mother could be either genotype IBi or IBIB, and her father must have an A allele (either IAIA, IAi, or IAIB if he is type AB) and an Rh positive allele.
Lastly, for a type AB individual such as Tamari, she can only donate blood to others who are type AB, making her a universal recipient but not a universal donor. She has both A and B antigens
Lotions applied during winter season moisturize the skin very quickly. What could be the reason for this?
A.
The oils in the lotion enter the skin cells by means of phagocytosis.
B.
The oils in the lotion enter the skin cells with the help of carrier proteins.
C.
The oils in the lotion enter the skin cells by means of facilitated diffusion.
D.
The oils in the lotion enter the skin cells by means of simple diffusion.
Answer:
The correct answer is D the oils in the lotion enter the skin cells by the means of simple diffusion.
Explanation:
Lipid molecules that are rich in unsaturated fatty acids exist as oil in biochemical system.
As the oils are rich in fatty acids that means they are hydrophobic in nature.For being hydrophobic it will be very easy for the oils present in the lotion to enter the skin cells by means of simple diffusion.
Certain environmental changes can denature proteins. Denatured proteins lose their three dimensional structure and when the protein is an enzyme, they lose their ability to function. pH is just one factor that can change the effectiveness of an enzyme. What other factor might the students test regarding catalase specificity?
A) Students could test various other enzymes to see if all enzymes were denatured in a basic environment (pH = 13).
B) After determining the optimum pH, they could vary the temperature of the environment to see if catalase is temperature specific.
C) After determining the optimum pH, the students could vary the amount of catalase used while keeping the amount of substrate constant.
D) Students could test an assortment of food items besides liver, raw potato, apple, crackers, to see if catalase is consistently pH specific.
B) After determining the optimum pH, they could vary the temperature of the environment to see if catalase is temperature specific
Enzymes are proteins which catalyze reactions by acting on substrates in order to speed up reactions- like the breakdown of large polysaccharides by amylase. Here, the enzyme catalase facilitates the breakdown of hydrogen peroxide into oxygen and hydrogen. Catalase specificity is affected by pH, temperature and the presence of inhibitors.
In temperatures beyond its optimal range, catalase may undergo changes to its physical structure called denaturation; when denatured, enzymes lose their ability to bind specifically to their substrate -i.e. substrate binding specificity is lost. H2O2 would no longer be able to bind to the active site, and thus would not be broken down.
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Answer:
B
Explination:
After determining the optimum pH, they could vary the temperature of the environment to see if catalase is temperature specific. Proteins can be denatured through exposure to heat, changes in pH, or chemicals. Students could vary the temperature of the liver, even boil it, to see if enzyme action continued.
All of the following occur during the Krebs cycle EXCEPT:
I. Acetyl-CoA combines with oxaloacetate to form citrate.
II. FADH2 accepts two electrons to form FAD.
III. NAD+ is reduced to form NADH.
IV. Pyruvate is converted into acetyl-CoA
V. Carbon dioxide, NADH, and FADH2, and ATP are reactants.
Answer:
B
Explanation:
just answered on USAtestprep
The processes 'FADH2 accepts two electrons to form FAD', 'Pyruvate is converted into acetyl-CoA' and 'Carbon dioxide, NADH, and FADH2, and ATP are reactants' do NOT OCCUR during the Krebs cycle.
Cellular respiration has three stages: glycolysis, the Krebs cycle (i.e., the citric acid cycle) and oxidative phosphorylation.During glycolysis, pyruvate is converted into acetyl-CoA by an enzyme called pyruvate dehydrogenase.The Krebs cycle is a group of reactions that produce CO2, ATP, and reduced forms of NADH and FADH2, thereby these molecules are products instead of reactants.During the oxidative phosphorylation, the flow of electrons from FADH2 and NADH to O2 via a series of protein complexes is coupled to the generation of an electrochemical proton gradient, which is subsequently used to generate ATP.In conclusion, the processes 'FADH2 accepts two electrons to form FAD', 'Pyruvate is converted into acetyl-CoA' and 'Carbon dioxide, NADH, and FADH2, and ATP are reactants' do NOT OCCUR during the Krebs cycle.
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The beaker in the diagram below has a selectively permeable membrane separating two solutions. Assume that both water and salt can pass freely through the membrane. When equilibrium is reached, will the fluid levels be the same as they are now? Explain.
Answer
The movement of water molecules across a selectively permeable membrane is known as osmosis. A substance that moves by passive transport tends to move away from the area where it is more concentrated. Diffusion and osmosis both regard the dispersion of particles. By definition, water is the only substance that undergoes osmosis.
hope that helps
When equilibrium is reached ; The Fluid level will be higher at solution A ( Side A )
Given that the solutions are separated by a selectively permeable membrane which allows only water and salt through it. and the solution in side A is a concentrated salt solution ( higher percentage of salt ( solute ) ) while the solution on side B is a dilute solution with a lesser percentage of salt and starch.
The salt and water from side B will move through the membrane into side A leading to the decrease in the fluid levels of Side B. This is because during osmosis the movement of water molecule is from a region of higher water concentration to a region of lower water concentration.
Hence we can conclude that When equilibrium is reached The Fluid level will be higher at solution A ( Side A ).
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HELP!!! We are going to ask the question: How does moving the fulcrum point effect the distance a nickel can fly?
Balance the ruler so there is an equal length on both sides of the fulcrum (at the 6” mark).
Put a nickel at the one inch mark on the ruler. Record your observations in the data table.
Keep the nickel at the 1” mark. Drop a quarter on the end of the opposite end of the ruler from about 12 inches in height. Measure the distance from the end of the ruler to where the nickel lands. Record your results.
Repeat this 3 times.
Now move your fulcrum to the 9 inch mark and repeat steps 2-4.
Now more your fulcrum to the 12 inch mark and repeat steps 2-4. Which causes the nickel to fly farther? Which takes more force?
Answer:
more force needed would be fulcrum at 12 with nickle at 1 the one closest to the nickle would go the furthest
So, honestly, to figure out this experiment, it is better to use a tube or round pen instead of the triangular block (because it is easier to find and easier to balance)
Now then, you simply gotta do is place the nickel right at the 1" point on the ruler for each trial and you will drop the quarter from 12" for each trial.
After wasting a few hours getting the ruler to not rotate while I launched the coins, I got a few sample results (this was calculated from the start position of the nickel)
______________________________________
Middle Trials (6")
T1: moved right about 0.5"
T2: moved left 1" and backwards 0.5" (-0.5")
T3: moved right 2" and backwards 0.5" (-0.5")
______________________________________
9" trials
T1: Right about 1"
T2: Right 0.5"
T3: around 0.8" foward
______________________________________
12" trials were all at 0" in change
______________________________________
The 12" trial requires more force for movement while the 9" trial gave the most positive changes forwards
Before Daniel performed his experiment, he hypothesized, "If I raise the temperature of a cup of water, then it will be able to dissolve more sugar."
Which of the following results would support the hypothesis?
A.
The cup with the warmest water dissolved the largest amount of sugar.
B.
The cup with the coolest water dissolved the largest amount of sugar.
C.
None of these statements support the hypothesis.
D.
The cup with the warmest water dissolved the least amount of sugar.
Final answer:
The correct result to support the hypothesis that increasing temperature allows more sugar to dissolve is A. The cup with the warmest water dissolved the largest amount of sugar.
Explanation:
To support Daniel's hypothesis that increasing the temperature of water will allow it to dissolve more sugar, we need to find a result that shows a direct relationship between water temperature and the amount of sugar dissolved. Specifically, Daniel hypothesized that higher temperatures would lead to greater solubility of sugar in water. With this in mind, the correct result that would support his hypothesis would be: A. The cup with the warmest water dissolved the largest amount of sugar. This is because solubility often does increase with temperature. To further illustrate, when you dissolve sugar in hot water, it tends to dissolve more rapidly than in cold water due to the increased kinetic energy of the molecules resulting in more effective collisions between the sugar molecules and the water, thereby aiding in the dissolving process.
It is also relevant to note that solubility curves typically illustrate this relationship between solubility and temperature, indicating how different substances dissolve at varying rates depending on the temperature. In addition, while agitation of the solution can affect the rate of dissolution, it does not affect the maximum amount of solute that can be dissolved, which is determined by temperature and the nature of the substances involved.
How are 2 and 3 the answer
Answer No 2:
The correct option is C.
Translation can be described as a process by which proteins are produced from mRNA. This is because ribosomes are the sites where the production of proteins takes place. The mRNA which is formed as a product of transcription is translated in ribosomes to form a specific protein. As the disease, dyskeratosis congenita, causes mutations in the ribosomes hence, the production of proteins is the process which will be disturbed due to it. Hence, option C is correct.
beets are red. what color is being reflected from the beets?
Answer:
Red because that's the color we see.
Answer:
The red color seen in beeturia is caused by the presence of unmetabolized betalain pigments.
Explanation:
The red color seen in beeturia is caused by the presence of unmetabolized betalain pigments such as betanin in beetroot passed through the body. The pigments are absorbed in the colon.
- What is the function of ATP in living things?*
a. ATP helps in protein folding
b. DNA is stored in the ATP
C. ATP is used to capture, store and transfer energy
d. ATP helps maintain the structure of the cell membrane
Answer:
C - Capturing, storing, and transferring energy.
Explanation:
ATP is used by cells to store and transport chemical energy. The cells then use this energy to drive cellular functions.
Drought and water shortage: what’s at stake? What can we do?
Answer:
with a drought lots of crops can die of no water source this causes the economy to loose money from this therefore the economy suffers aswell with water shortage it takes away for the crops and from things with animals
An uncircumcised, 78 year-old male has presented at the clinic complaining that he cannot retract his foreskin over his glans. On examination it is noted that the foreskin is very constricted. What is this condition called?
Answer:
Phimosis.
Explanation:
Phimosis may be defined as the medical condition in which the foreskin around the tips of penis cannot be retracted. This might occur due to scarring and can occur naturally.
The main symptoms of this disease is unable to retract the skin. The skin gets loose with time. The 78 year old man complains that his foreskin over the glans cannot be retracted over the glans. This symptoms is more or less related with the phimosis.
Thus, the correct answer is phimosis.
Answer:
phimosis
Explanation:
Why is it necessary to fill a chamber with water and empty it in a cellular respiration lab? Is it because if not, the carbon dioxide levels change?
Answer:
Yes , it is necessary to fill a chamber with water and empty it in a cellular respiration lab
Explanation:
The chamber which is filled with water act as oxygen in the cellular reaction and gets emptied during the process due to production of carbon dioxide. The main ingredient for the cellular respiration is oxygen without it production of carbon dioxide is certainly not possible. So presence of water is an essential factor in cellular reaction. Through anaerobic respiration carbon dioxide can be produced but to a limited amount not like with oxygen.
It is necessary to fill a chamber with water and empty it in a cellular respiration lab.
Yes. If not, the carbon dioxide levels will change.
Explanation:
Cellular respiration is the energy deriving process in most eukaryotes. Oxygen is the main input of this process. In the process glucose reacts with oxygen and get converted to ATP which is the energy source of the cell.
Other products released in the process are carbon dioxide and water. The chemical equation of cellular respiration is [tex]C_6 H_12 O_6+6O_2 \rightarrow 6CO_2+ 6H_2 O+ATP[/tex].
In a cellular respiration lab the chamber filled with water acts as the source of oxygen which is essential for cellular respiration.
Since carbon dioxide is the byproduct and oxygen continuously gets used up in the process, it is necessary to empty the chamber .If not the carbon dioxide levels change. When all the oxygen in the water gets used up will be no more production of carbon dioxide.
How could a plant spread its seeds? A An animal could eat fruit and spread the seeds. B A seed could get tangled in animal fur and be carried to a new place. C Seeds could float away in the wind. D all of the above
Answer:
The answer is All of the above
Explanation:
Answer:A
Explanation:
Which kind of wave would be observed in outer space between planets, where there is very little matter?
O an electromagnetic wave, such as an X-ray
O an electromagnetic wave, such as a sound wave
a mechanical wave, such as an X-ray
O a mechanical wave, such as a sound wave
Answer:
A.) an electromagnetic wave, such as an X-ray
Answer:
I would say the answer is A)
Which of the following forces always exists between any two objects having mass?
A. Elastic Force
B. Contact Force
C. Gravitational Force
D. Magnetic Force
C
Gravity is an intrinsic property of matter. The higher the mass of an object the bigger the gravitational pull it has. Even small particles like protons and neutrons have gravitation force but is almost negligible because of the minute mass of the nuclear particles.
Explanation:
It is believed that gravity of created from the warping of space-time continuum by any object with mass.
Distance between two masses also affects the gravitational force between the two bodies and the force can be calculated by the formulae;
F = G * (M₁ – M₂) / r²
Whereby;
F = Gravitational force
Where G = Gravitational constant
M₁ = mass 1
M₂ = mass 2
r = distance between the 2 masses.
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Answer:
c
Explanation:
c
where does cellular respiration take place?
Answer: The enzymatic reactions of cellular respiration begin in the cytoplasm, but most of the reactions occur in the mitochondria. Cellular respiration occurs in the double-membrane organelle called the mitochondrion. The folds in the inner membrane are called cristae.
Explanation:
Cellular respiration takes place within the cells of living organisms, specifically within the mitochondria.
What is Mitochondria ?Mitochondria are membrane-bound organelles found in eukaryotic cells (cells with a nucleus), and they are often referred to as the "powerhouses" of the cell because they are responsible for generating energy in the form of adenosine triphosphate (ATP) through the process of cellular respiration.
This process involves the breakdown of glucose and other organic molecules to produce ATP, which is used as a source of energy for various cellular activities.
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What is malaria?biology
Answer:
Malaria can be described as a disease which is caused by a parasitic organism. The Anopheles mosquito carries the parasite Plasmodium in it. When this mosquito bites a human being, the parasite gets transferred into the blood of the person causing malaria. Before entering the blood cells, the plasmodium travel to the liver where they get matured.
Malaria is a life-threatening disease which kills many humans each year, especially people living in underdeveloped countries.
Malaria is a zoonotic disease caused by Plasmodium parasites transmitted through Anopheles mosquito bites, leading to severe symptoms and sometimes death. Drug resistance has made treatment challenging in some regions, but prevention and prompt treatment can reduce mortality.
Malaria is an infectious zoonotic disease caused by protozoan parasites of the genus Plasmodium, which are transmitted to humans through the bite of an infected female Anopheles mosquito. The disease is characterized by symptoms such as cyclic high fevers, chills, flu-like symptoms, and severe anemia. There are different species of Plasmodium, but Plasmodium falciparum is the most deadly. The life cycle of the malaria parasite involves replication within the liver and destruction of erythrocytes (red blood cells), causing the observed symptoms. Malaria treatments vary geographically, owing to the evolution of drug resistance in some parts of the world.
Prevention of malaria includes methods such as mosquito netting and vector control to reduce mosquito populations and thereby interrupt the transmission cycle. Prompt and efficient treatment is crucial, and although Plasmodium falciparum malaria can have a low mortality rate when treated, it remains a significant cause of death, especially in the tropics.
In 1990, Carl Woese introduced the three
domain system for classifying living things,
after the advancement of DNA analysis
allowed for a comparison of species genetic
code. Which of the following is the best
explanation for why domains were added to
the previous system of classification?
C. Domains have always been included, they
were just made official recently.
B. New species are evolving too quickly to
keep up with the old system of classification
D. Some organisms, which were previously
characterized together, were determined to
be genetically very different.
A. The old system of classification was wrong
and needed to be corrected.
Answer:
D. Some organisms, which were previously characterized together, were determined to be genetically very different.
Explanation:
Domains are the highest taxons within the biological classification of living beings. Like other taxons, domains are used to group living beings in a scientifically based classification.
They were added to the classification system after the other taxons were already established. The presence of domains was necessary to group individuals in relation to evolutionary factors. This was necessary because some organisms, previously characterized together, were determined to be genetically very different.
The correct explanation for why domains were added to the previous system of classification is: C. Domains have always been included, they were just made official recently.
The historical context and the implications of Carl Woese's work:
1. Prior to Woese's work, the classification system was primarily based on morphological and physiological characteristics, which led to the grouping of organisms into kingdoms. The five-kingdom system, proposed by R.H. Whittaker in 1969, included the Monera, Protista, Fungi, Plantae, and Animalia kingdoms.
2. With the advent of DNA sequencing and analysis techniques, particularly the sequencing of the 16S rRNA gene, scientists were able to compare genetic information across a wide variety of organisms. This allowed for a more detailed and accurate understanding of the evolutionary relationships between different species.
3. Woese's research revealed that the prokaryotes, which were previously all classified within the Monera kingdom, actually comprised two distinct groups that were as different from each other as they were from eukaryotes. These two groups were the Bacteria and the Archaea.
4. The recognition of these two distinct domains, along with the domain Eukarya (which includes the Protista, Fungi, Plantae, and Animalia kingdoms), led to the establishment of the three-domain system. This system reflects the major evolutionary divergences in the history of life.
5. The three-domain system does not imply that the previous systems were entirely wrong; rather, it represents a refinement of our understanding of the tree of life based on new genetic evidence. The domains were not newly created entities but were recognized and formalized as a result of advances in molecular biology.
6. The addition of domains to the classification system was a significant change that acknowledged the deep genetic differences between the Bacteria, Archaea, and Eukarya. It provided a more accurate framework for understanding the diversity of life and the relationships between different organisms.
In summary, domains were added to the classification system to reflect the profound genetic differences that had been discovered through DNA analysis, differences that were not apparent through morphological and physiological studies alone. The three-domain system, therefore, represents a more nuanced and genetically informed approach to classifying living organisms.
what happens if the pressure in an angler fish habitat decreases
Based on the cladogram, if moths undergo complete metamorphosis, we would MOST LIKELY infer that
A) butterflies and flies do as well.
B) all the insects undergo complete metamorphosis.
C) no other insects undergo complete metamorphosis.
D) only butterflies also undergo complete metamorphosis
Answer:
The correct answer is A) "butterflies and flies do as well".
Explanation:
Cladograms are graphic representations of the evolutionary relationships of species, where the branches and the closeness of the species represent the degree of similarity. In this case, the "butterflies, moths" and the "flies" are the ones closest to each other. Therefore, these species are the most similar and if moths under complete metamorphosis, we would most likely infer that butterflies and flies do as well. I attached the missing cladogram.
3. Seasonal changes on Earth are primarily caused by
the
A) parallelism of the Sun's axis as the Sun revolves
around Earth
B) changes in distance between Earth and the Sun
C) elliptical shape of Earth's orbit around the Sun
D) tilt of Earth's axis as Earth revolves around the
Sun
The answer you are looking for is D
The key cause of the changes in the Seasons of the Earth would be:
D). tilt of Earth's axis as Earth revolves around the Sun.
What are Seasonal Changes?
Seasonal changes are described as the changes in the seasons that are produced due to the association between the Sun and the Earth.
The earth takes a revolution throughout the year around the sun which results in the variation of the seasons throughout the year.
The key cause behind it is its tilted position at the degree of 23.5 which makes a particular area to be distant from receiving the sunlight adequately.
Thus, option D is the correct answer.
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Which of the following monomers would be used to make the double helix of a DNA molecule?
DNA is the genetic material of a cell. It is known as deoxyribonucleic acid. It is made up of phosphate moiety, a deoxyribose sugar, and a nitrogenous base. Thus, the correct option is A.
What is DNA?DNA stands for Deoxyribonucleic acid. It is the genetic material of the cell. The DNA is made up of nucleotides, which is the monomeric unit of DNA. The nucleotides are composed of a deoxyribose sugar (5-membered sugar), a nitrogenous base (purine or pyrimidine), and a phosphate moiety.
The nucleotides polymerize to form DNA molecules, the DNA molecules wraps around the histone proteins (basic proteins) present in the nucleus to form nucleosomes in the nucleus which contains all the hereditary information of an organism.
Therefore, the correct option is A.
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8. When does a cell stop going through the Cell Cycle?
Answer:
If the checkpoint mechanisms detect problems with the DNA, the cell cycle is halted, and the cell attempts to either complete DNA replication or repair the damaged DNA. If the damage is irreparable, the cell may undergo apoptosis, or programmed cell death 2.
Which process is responsible for cracks in successive strata in the earth?
Faulting is the process by which this pressure forces the strata to continue their movement, sometimes, producing cracks in the involved strata. This Causes earthquakes and tremors, much like tectonic plate movement, in the event of an intense pressure release.
. Where is calcium carbonate found and how does it acts as a natural pH buffer?
Calcium carbonate:
The calcium carbonate is found in sea shells and the bones of sea creatures. And it is settled on layer of ocean. The pH level can be equilibrium with atmospheric [tex]CO_2[/tex]. There is constant concentration of [tex]CO_2[/tex] in the water.
The limestone and calcium carbonate is present in the rocks, streams, lakes is helps to maintain the constant pH in the minerals present in the rock react with excess acid in the water.
When the acids or bases react with the calcium carbonate ,there is the excess change in the pH. The mixture of calcium carbonate ions in the water to prevent the damage in acid rain.
Calcium carbonate is found in different forms and has various applications. It acts as a natural pH buffer in the human body by reacting with acids and bases to maintain the pH within a narrow range.
Explanation:Calcium carbonate is found in various forms and has multiple applications. In nature, it can be found in the form of limestone, chalk, and marble. It is also commonly used as an antacid to neutralize stomach acid and as an agricultural lime to correct acidic soil.
Calcium carbonate acts as a natural pH buffer due to its ability to react with acids and bases. In the human body, it is involved in the carbonic acid/carbonate buffering system, which helps regulate blood pH. When too much acid or base enters the body, calcium carbonate reacts to maintain the pH within a narrow range by either releasing carbon dioxide or combining with hydrogen ions or hydroxide ions.
A bat's wing and a moth's wing are ________ structures
a homologous b. analogous c. vestigial d. adaptive
Answer:
A
Explanation: