In anaerobic respiration, glucose breaks down without oxygen. The chemical reaction transfers energy from glucose to the cell. Anaerobic respiration produces lactic acid, rather than carbon dioxide and water.
Hope this helped, please make to make me brianliest answer ❤️
Answer:
Lactic acid fermentation may occur. Cells covert pyruvic acid into lactic acid. NADH is converted to NAD+. No additional ATP is produced after glycolysis. Alcohol fermentation may occur.Cells convert pyruvic acid to carbon dioxide and alcohol.
In cellular respiration, stored chemical energy in (2 points)
Question 3 options:
1)
ATP and NADH is converted to carbohydrate molecules
2)
ATP molecules is used to build NADH molecule
3)
organic molecules is converted to ATP molecules
4)
food is used to make organic molecules like glucose
Answer:
In cellular respiration, stored chemical energy in organic molecules is converted to ATP molecules- 3)
ANSWER:
The correct option is C- Organic molecules are converted to "ATP molecules".
EXPLANATION:
Cellular respiration is the process that provides energy for the important life processes. Cellular respiration is essential for all living organisms and therefor all living cells must carry out this process. In this respiration, ATP is released which is essentially energy needed for all life processes of an organism. Cellular respiration can be aerobic when it takes place in the "presence of oxygen" or it can be anaerobic i.e. respiration takes place without the presence of oxygen.Match the terms to their definition. 1. dominant a gene or trait that is masked when a dominant gene is present 2. genotype a gene or trait that always expresses itself 3. hybrid an organism with one dominant gene and one recessive gene 4. phenotype the genes present in a specific trait 5. recessive the expression of a trait, or what the trait looks like
Answer:
1. recessive
2. phenotype
3. hybrid
4. genotype
5. dominant
Explanation:
1. recessive is the one that is being masked when a dominant trait is present in Law of Dominance
2. Phenotype is the gene or trait that expresses itself
3. Hybrid or heterozygous consists of an a dominant gene
example: Purple is dominant over white flowered pea plant
Y- purple y-white
Yy is the hybrid/ heterozygous pea plant because Y(purple) is dominant over y(white).
4. genotype refers to presence of the specific trait / the exact pairing of alleles.
example: YY, Yy and Yy
5. Dominant, expression of a trait and what it looks like.
example: Yy is a heterozygous or a hybrid plant. since Y is dominant over y then the looks of the plant will have a higher probability in resulting in to purple flowered pea plant.
In biology, the terms dominant, genotype, hybrid, phenotype, and recessive are related to genes and traits.
Explanation:1. dominant: A gene or trait that is masked when a dominant gene is present.
2. genotype: The genes present in a specific trait.
3. hybrid: An organism with one dominant gene and one recessive gene.
4. phenotype: The expression of a trait, or what the trait looks like.
5. recessive: A gene or trait that always expresses itself.
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Which brain structure is identified by the arrow in the figure?
A. Cerebellum
B. Medulla
C. Pons
D. Corpus callosum
Answer:
Cerebellum
Explanation:
Answer:
Option A, Cerebellum
Explanation:
The portion of brain highlighted in this image is cerebellum. A cerebellum is located just behind the top part of the brain stem. Also at the location of cerebellum, the spinal cord meets with the brain. The cerebellum consists of two half parts known as hemisphere. The major function of cerebellum includes receiving of information from nervous system, spinal cord and other brain parts and regulating motor movements.
Hence, Option A is correct
Describe ways that water pollution occurs.
Answer:
water pollution is also one the major problem now due to over population n other thing
Explanation:
When some one throw waste in water then there is plastic also and other waste which contain different harmful chemical and directly mixed with water and pollute the water.
Water pollution is caused by contaminants entering water bodies, which can have detrimental effects on ecosystems and human health due to various pollutants. Eutrophication and oxygen-demanding waste are key factors contributing to water pollution.
Water pollution occurs through various means, including point source pollution (from a single site) and nonpoint source pollution (from multiple dispersed sites). Contaminants like chemicals, biological pathogens, and physical waste can lead to harmful effects on aquatic ecosystems and human health. Factors like eutrophication and oxygen-demanding waste contribute to water pollution, impacting water quality and organisms.
Why do some codons code for the same amino acid as another codon?
A. it is due to mutations.
B. There are only 20 amino acids and 64 possible combinations
C. Each codon is unique and they all code for different amino acids.
Answer:
it is B
Explanation:
I have answer this question once
Answer:
B. There are only 20 amino acids and 64 possible combinations
Explanation:
A codon is the combination of three nitrogenous bases, which encode an amino acid. Some codons encode the same amino acid as another codon, this is because there are only 20 amino acids and 64 possible combinations.
Amino acids, in turn, are the organic substances that form proteins that will be responsible for various functions in our body, such as structural, enzymatic, defense, transport and hormonal functions.
which of the following is NOT a function of the excretory system
A. Filter Body Fluids
B. Collect Water
C. Eliminate Body Waste
D. None of the above
Answer:
B. Collect Water
Explanation:
Collecting Water is NOT a function of the excretory system.
Which of the following monomers would be used to make the double helix of a DNA molecule?
The monomers that would be used to make the double helix of a DNA molecule are the phosphorus+ sugar+ base. The correct option is A.
What is DNA?DNA is a genetic material that is present in the nucleus of the cell. It is present in all plants and animals. This is the important material in the body that makes every individual unique.
DNA is made up of three substances. They are phosphorus sugar, which makes the backbone of the helix. The bases are present in between the helices, they are joined by hydrogen bonds.
There are two hydrogen bonds present between adenine and thymine. There are three hydrogen bonds present between guanine and cytosine. The bases keep the two helices together.
Thus, the correct option is A, phosphorus+ sugar+ base.
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Which is not a high-level radioactive waste?
fuel rods
control rods
reactor coolant
contaminated clothing
ANSWER:
Contaminated clothing is not a high level radioactive waste but a low level radioactive waste.
EXPLANATION:
Radio-active waste is any waste that contains radio-active material and is usually a "by-product" of nuclear reactions. Radio-active waste is considered to be hazardous for all forms of life as well as the environment. High level radio-active waste contains high levels of radio-active material and therefore must be disposed as soon as possible. Contaminated clothing has very low level of radio-active waste that can be removed by washing in appropriate medium.which molecule is used up in photosynthesis?
Final answer:
During photosynthesis, carbon dioxide, water, and solar energy are used to produce glucose and oxygen. ATP is generated during the light-dependent reactions and is vital for the subsequent synthesis of glucose in the Calvin cycle.
Explanation:
The molecule used up in photosynthesis includes carbon dioxide (CO2), water (H2O), and also relies on solar energy to drive the reactions. During the light-dependent reactions of photosynthesis, ATP (adenosine triphosphate) is created, which along with NADPH, is used in the Calvin cycle to fix carbon dioxide, producing glucose. The overall chemical equation representing this biochemical process is 6CO2 + 6H2O → C6H12O6 + 6O2.
The ATP and NADPH generated are crucial for the synthesis of glucose in the process, which works coherently with sunlight absorbed by chlorophyll to facilitate the production of energy-rich sugar molecules. It is important to understand that the glucose produced from photosynthesis is an energy storage molecule and is later used by organisms to produce ATP through cellular respiration.
Answer: water and carbon dioxide
Explanation: yes
A major polysaccharide found in plants is ________ and in animals is ___________.
A. glycogen, cellulose
B. starch, glycogen
C. starch, cellulose
D. glycogen, starch
A major polysaccharide found in plants is mainly starch and in animals it is glycogen. The correct option is B.
What is polysaccharide?Polysaccharides, also known as polycarbohydrates, are the most common carbohydrates found in foods.
They are polymeric long-chain carbohydrates made up of monosaccharide units linked together by glycosidic linkages.
A major polysaccharide found in plants is mainly starch and in animals it is glycogen.
Thus, the correct option is B.
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What happens during S phase?
O
A. Chromosomes are duplicated.
O
B. The cell splits in two.
O
C. DNA separates into two nuclei.
O
D. Cytoplasm is manufactured.
Answer:
chromosones are duplicated just took test
Explanation:
Chromosomes are duplicated during the S phase of the cell cycle. Therefore, the correct statement is option A.
What is the S phase of the cell cycle?S phase, or the synthesis phase, is the second phase of interphase in the cell cycle. During this phase, the cell undergoes DNA replication, where chromosomes also get duplicated. Each chromosome consists of two identical chromatids connected by a centromere.
The process of DNA replication during the S phase involves the use of several enzymes and proteins. The process starts with the unwinding of the DNA double helix structure by the helicase enzyme creating a replication fork to which DNA polymerase enzymes attach and starts the replication process by copying the template strands of DNA.
As the polymerase moves along the template strand, the enzyme adds complementary nucleotides to create a complementary strand of DNA. Each nucleotide before adding is checked by proofreading enzymes to ensure the new DNA strand is error-free.
Therefore, chromosomes are duplicated during the S phase.
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Suggest reasons for using synthetic forms of drugs rather than using plant extracts directly
Answer:
they lead to quick recovery
Explanation:
they contain chemicals made by professionals which lead to quick recovery
Synthetic drugs offer consistent dosages, reliable supply, and are often more potent with fewer side effects than natural plant extracts. They also contribute to lower toxicity in both human health and the environment.
The use of synthetic forms of drugs rather than plant extracts directly has several advantages. Primarily, it allows for consistent dosages and purities, which are crucial for ensuring the efficacy and safety of medications. Furthermore, because some medicinal plants are limited in availability and can be affected by environmental factors, synthesizing medications offers a reliable supply avoiding shortages and high costs associated with plant-based sources. Percy Julian's work in mass producing drugs such as cortisone and hydrocortisone stands as a testament to the success of such an approach. The synthesis process can also lead to drugs that are more potent, require lower dosages, and have fewer side effects compared to their natural counterparts. Moreover, synthetic methods can minimize the toxicity to human health and the environment.
HELP!! The figure below shows ocean currents. Where will climate change slow the currents the most, causing colder temperatures, and why?
Answer:
Along the Kuroshio Current, because it is carrying water north towards melting ice caps
Explanation:
The ocean currents have the tendency to be faster when they are warmer, and to be slower when they are colder. The reason for this is that the warmer water is less dense, thus it can move more quickly, while the colder water is denser, thus heavier, so it moves slower. The Kuroshio Current moves from the lower latitudes toward the higher latitudes. As it does, this ocean current is becoming colder and colder as it gets closer to the higher latitudes, so it is becoming denser, heavier, and because of it slower. Another thing that will contribute to this current's slowing down are the melting ice caps because of the climate change, as they will make the water even colder, and the Kuroshio Current will come across this cold water, so it will decrease its speed significantly.
Why does diffusion not require any energy?
A. Random particle movement allows molecules to move from an area.
B. Molecules are moving from a lower to higher concentration.
C. The higher temperatures of the membrane "jump starts" diffusion.
D. Cells only use energy to move substances across the membrane.
Final answer:
Diffusion is an energy-free process because molecules naturally move down their concentration gradient due to their kinetic energy, ultimately leading to dynamic equilibrium.
Explanation:
Diffusion does not require energy because it is a passive process where molecules move from an area of higher concentration to an area of lower concentration. This movement is driven by the inherent kinetic energy of molecules and occurs until there is no net movement of molecules, a state known as dynamic equilibrium. Factors like temperature can influence the rate of diffusion, with higher temperatures increasing the rate as molecules move more quickly.
Final answer:
Diffusion is an energy-free process where molecules spread out from higher to lower concentration areas due to kinetic energy, moving down the concentration gradient in passive transport.
Explanation:
Diffusion does not require any energy because it is driven by the kinetic energy that is inherent to all molecules and atoms due to their constant random motion. This movement is a result of the molecules spreading out from an area of higher concentration to one of lower concentration to reach equilibrium, a process known as moving down the concentration gradient. This form of movement, where molecules spread out evenly without the use of energy, is known as passive transport. Molecules continue to move randomly after reaching dynamic equilibrium, but there is no net movement from one area to another as concentrations are equal.
the eye of a hurricane has the
A. Most intense rainfall
B. Highest wind speeds
C. Highest air pressure
D. Warmest temperatures
Answer:
Well the eye is the most calm part of both a tornado and hurricane, so its D, Warmest temperatures :)
Hope this helped you :))
Answer:
highest wind speeds
Explanation:
the eye's temperature is usually normal for the most part. But thunder storms do occur also
Which natural resource management approach acknowledges the uncertainties about the functioning of the natural resource systems?
Answer:
integrated management - C.
Which of the following describes an antibiotic that is good for a human to take as a medicine?
A. The antibiotic kills harmful bacteria but not human cells.
B. The antibiotic is a harmful substance called a toxin.
C. The antibiotic kills all living things, including bacteria and human cells.
D. The antibiotic provides food molecules that are needed for good health.
Answer:
The correct answer would be option A, The antibiotic kills harmful bacteria but not human cells.
Explanation:
Antibiotics are the medicines given to a person who gets sick due to a bacterial infection in his body. Bacterial Infection can not be treated without using the antibiotic medicines because antibiotics are the only medicines that kill the harmful bacteria inside a human body while keeping the human cells alive and healthy. Antibiotics do not harm the body cells. They just work on the bacterial infection and kill the bacteria. Other functions of the body are not disturbed by taking the antibiotics.
Why is alchemy no longer accepted?
O
A. Alchemy became less popular once Aristotle died.
O
B. The discovery of radioactivity took people's attention away from
alchemy.
O
C. Alchemists were not able to turn other metals into gold.
D. Scientists used evidence, analysis, and experiments to disprove
alchemy.
SUBMIT
Answer:
The correct answer is D. Scientists used evidence, analysis, and experiments to disprove alchemy.
Explanation:
Alchemy was based on changing a non-precious material into a precious material like lead into gold. It was considered as magic and science before the 19th century because in the 19th-century scientist get to know about the nature of metals and the periodic table that disproved alchemy.
Alchemist said that everything is made up of soil, water, fire, and earth but after the advancement of chemistry and physics it became clear that everything is made up of atoms, and lead is also made up of atom which can not be converted into gold.
So scientist used evidence, analysis, and experiments to disprove alchemy. Therefore the correct answer is D.
How is the reproductive system different from other
body systems?
Answer:
Most body systems are necessary to keep an individual alive.
Unlike other body systems, the reproductive system is not essential to keep an individual alive.
_____ can produce their own food
Answer:
Autotrophs
Explanation:
Autotrophs can produce their own food.
Autotrophs are able to gather food from just their body and survive!
What kinds of daily activity
can contribute pollution to Surface water
runoff or to the ground water sources desene
infiltration and recharge ? Describe two
activities and tell how these would contribute
pollution to water resources so
Answer:littering and sewage
Explanation:
Daily uncontrolled litter accumulate in water sources and most of this litter trap more waste and the daily release of sewage .
what kind of matter is formed when atoms of 2 or more elements bond
A molecule is formed.
what is a plant root an example of
Answer:
Someone else answered it, but a plant root is a example of a a plant that typically lies below the surface of the soil.
Explanation:
Plant roots are integral to a plant's ability to absorb nutrients, provide structural support, store food, and sometimes propagate asexually. The tap root system, such as that of a carrot, features a main root with secondary roots, whereas a fibrous root system, like that of grasses, consists of a dense network of roots.
A plant root is an example of an organ in plants that plays a crucial role in water and nutrient absorption, anchorage, and sometimes storage and asexual reproduction. Dandelion, with its tap root, serves as a common example of a plant that utilizes its root system for these purposes. Roots can be specialized to perform additional functions such as the bulbous roots storing starch, the taproots of carrots, turnips, and beets being modified for food storage, and roots involved in asexual reproduction like the poplar and aspen trees that form clones from their roots.
There are two primary types of root systems: the tap root system and the fibrous root system. The tap root system consists of one main root, as seen in a plant like a carrot, whereas a fibrous root system, which can be found in grasses such as wheat, rice, and corn, has a dense network of roots closer to the soil surface. The former is typically found in dicots whereas the latter is often seen in monocots.
How is the range of a data set determined?
A. Sum of the data divided by the number of data points.
B. It is all real numbers.
C. Largest value plus the smallest value, divided by 2
D. Largest value minus the smallest value.
Answer:
D
Largest value minus the smallest value
Explanation:
The range of a set of data is the difference between the highest and lowest values in the set. To find the range, first order the data from least to greatest. Then subtract the smallest value from the largest value in the set.
The range of a data set is determined by taking the largest value and subtracting the smallest value. For a given example data set {3, 4, 5, 6, 9}, the range is calculated as 9 - 3, hence the range is 6.
Explanation:The range of a data set in mathematics is determined by subtracting the smallest value in the set from the largest value. This concept is used in statistical analysis to measure the dispersion or spread in a data set. So, the correct option from the choices you provided is D. 'Largest value minus the smallest value'. Let's look at an example: If we have a data set that includes the numbers {3, 4, 5, 6, 9}, the range would be calculated as 9 (largest number) minus 3 (smallest number), which equals 6. So, the range of this data set is 6.
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How does transpiration pull work?
Answer:
transpiration pull –The loss of water through evaporation from the leaves must be replaces by water coming up the xylem. Water molecules are attracted to each other due to cohesion between them. These forces are strong enough to hold the molecules together in a long column.
Explanation:
Transpiration is the loss of water from the plant through evaporation at the leaf surface. It creates negative pressure (tension) at the leaf surface, causing water to be pulled up from the roots.
Explanation:Transpiration is the loss of water from the plant through evaporation at the leaf surface. It creates negative pressure (tension) at the leaf surface, causing water to be pulled up from the roots. This is known as the cohesion-tension theory of sap ascent. Water movement is driven by a difference in energy between the water in the soil and the water in the atmosphere.
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What about cellouse makes it ideal for structural support
Due to the strong intermolecular force of attraction in cellulose it provides high strength and support.
Explanation:Cellulose is a significant polysaccharide since it is the most copious natural compound on Earth. Cellulose is a significant segment of intense cell dividers that encompass plant cells, and it's what makes plant stems, leaves, and branches so solid. It absolutely takes a ton of effort to cause damage to the structure of cellulose.
Cellulose particles are arranged parallel to one another and are combined with hydrogen bonds. This structures long, link like structures, which join with other cellulose atoms and is the thing that produces such a solid help structure.
How doe the natural process of meiosis support evolution
Answer:
Meiosis is sexual reproduction, which involves two organisms mixing their genes together to produce new offspring.The more genetic variation there is within a population, the faster it will evolve
Explanation:
During Meiosis recombination occur which cause mixing of segments of chromosomes that can lead to variation.
Variation is the leading cause of evolution.What is variation?Variations arise due to mutation, recombination at the time of gamete formation or due to environmental factors.
Variations can be categorized into two types:
Genotypic variations are caused due to changes in the chromosome or genes or due to various alleles of the same gene. They are inheritable variations.What is evolution?Evolution is the change in heritable traits of biological populations over successive generations. Evolutionary processes give rise to diversity at every biological organization level. All life on earth shares a common ancestor known as the last universal ancestor.
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Complete the phylogenetic tree by matching each characteristic that arose during the evolution of animals to its correct position. ( Start from top to bottom boxes)
OPTIONS:
Backbone
Tissues
Coelom
Segmentation
Endoskeleton
Answer:
The correct characteristics are - tissue, coelom, segmentation, endoskeleton, and backbone from top to bottom boxes.
Explanation:
This phylogenetic tree showing the evolution and relatedness of the different organisms on their shared characteristics. In the given phylogenetic tree there are some characters are missing and we can predict or state them on the basis of evolution and studying the characteristics.
After the Porifera phylum tissue-level organization is found in the organism hence Tissue would be placed in the first box.
The coelom is found organisms above the Nematoda level, which further include a character segmentation in Annelida and Arthropoda. Another lineage from arising with the coelom organism that included endoskelton and backbone.
Thus, The correct characteristics are - tissue, coelom, segmentation, endoskeleton, and backbone from top to bottom boxes.
Answer:
tissue, coelom, segmentation, endoskeleton, and backbone
Explanation:
what are the types of mutations, and how does each alter the encoded protein? college level answer please
Answer:
point mutation missense mutation silent mutation non sense mutation
Explanation:
point mutation it change one base of DNA in this case nucleotide substitution occur like sickle cell missense mutation in this case replacement of one nucleotide nonsense mutation cause the replacement of codon silent mutation does not change the sequence of protein because of new triplets codes for the same amino acid
Mutations like missense, nonsense, frameshift, and substitution, can alter the encoded protein in different ways, potentially affecting the organism's characteristics and causing diseases. Mutations can cause single or multiple changes in amino acids, leading to altered protein function.
Explanation:There are several types of mutations that alter the encoded protein in different ways, including missense mutations, nonsense mutations, insertion or deletion mutations (frameshift mutations), and substitution mutations. Missense mutations cause a single change in an amino acid, which may or may not significantly alter the protein function. A nonsense mutation replaces an amino acid with a stop signal, resulting in a truncated and typically nonfunctional protein.
Frameshift mutations, caused by an insertion or deletion of a nucleotide that's not a multiple of three, result in changes to every subsequent amino acid, thereby producing a dramatically altered and generally nonfunctional protein. Substitution mutations replace one amino acid with another; if it occurs at a crucial point in the protein, it can cause significant changes to protein function.
Finally, in some cases, mutations cause repetitions of the same codon (trinucleotide repeat expansions), leading to repeated regions of the same amino acid in the protein. All these types of mutations can result in changes to the characteristics of an organism or can be potential causes for various diseases.
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If a population has MORE environmental resistance than biotic potential, it will ______
A. Increase
B. Decrease
C. Remain stable
D. Sharply rise and fall
Answer:
B. Decrease
Explanation:
If a population has MORE environmental resistance than biotic potential, it will decrease.
If a population has more environmental resistance than biotic potential, it will decrease. So, the correct option is (B).
What is Environmental resistance?Environmental resistance is defined as the process in which some different elements or factors prevent the growth of the species uncontrollably where as nature does something to control the growth of the species in order to reduce the excessive growth of population or over population.
"Environmental resistance" is related in a similar way to some factor that limits not only the growth of a species but also the rate of reproduction. Availability of certain necessary resources is the factor of environmental resistance which are as follows:
FoodWaterPredationDiseasesCollection of toxic metabolic wasteBehavioral change in speciesThus, if a population has more environmental resistance than biotic potential, it will decrease. So, the correct option is (B).
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