Answer:
c
Explanation:
When there is complete dominance, both alleles are expressed in the progeny; when there is imperfect dominance, the progeny exhibit an amorphous form of the parental alleles.
Two types of allelic associations that manifest in the heterozygous state are dominance and codominance.
In codominance, neither allele predominates over the other while nevertheless making an equal contribution to the phenotype of the progeny. In a codominant inheritance pattern, for instance, if one parent has red flowers (RR genotype) and the other has white flowers (WW genotype), the offspring may have both red and white flowers (RW genotype), displaying both alleles.
On the other hand, neither allele is totally dominant over the other in incomplete dominance. Instead, the children have a mixed or intermediate phenotype that is distinct from both phenotypes of the parents. For instance, in incomplete dominance, the offspring may have pink flowers (RW genotype), displaying an intermediate expression of the alleles, if one parent has red flowers (RR genotype) and the other has white flowers (WW genotype).
Hence The correct statement is in codominance, both alleles are expressed in the offspring; in incomplete dominance, the offspring demonstrate an intermediate form of the alleles from the parents.
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Why do the crystals in gneiss line up in bands
Answer:
when there's intense pressure and heat during metamorphism.
Explanation:
Which of these carbohydrates is a monosaccharide?
Answer:
Mono saccharide are the simplest of carbohydrates. They cannot be hydrolyzed into simpler components
Explanation:
Dextrose, fructose, galactose etc
Monosaccharides such as glucose, fructose, and galactose are all hexose sugars with six carbon atoms, and both ribose and deoxyribose are pentose sugars with five carbon atoms, making all of them simple sugars.
Monosaccharides are simple sugars and the most common types are glucose, fructose, and galactose. These are all hexose sugars because they contain six atoms of carbon. Other important monosaccharides in the body are ribose and deoxyribose, which are pentose sugars having five atoms of carbon. The structural difference between glucose and galactose is highlighted by the position of the hydroxyl (OH) group.
Referring to the review question, fructose, glucose, and galactose are monosaccharide. All three are monosaccharides with six carbon atoms (C₆H₁₂O₆) and abide by the general formula for carbohydrates, which often have multiple hydroxyl (-OH) functional groups. Note that ribose (C₅H₁₀O₅) and deoxyribose (C₅H₁₀O₄) are also monosaccharides but contain five carbon atoms.
describe the biotic and abiotic features of the tundra and two main types of tundra
Answer:
Two main types of Tundra:
Arctic tundra is the tundra region which can be found in the northern hemisphere close to the regions of Alaska, Greenland, Siberia.Antarctic tundra is the tundra region found near the Antarctic peninsula.Biotic factors of Tundra:
Biotic factors can be described as the living components of an ecosystem. The biotic components of the tundra include fungi, mosses, shrubs, insects, fish, birds and mammals.
Abiotic factors of Tundra:
Abiotic factors can be described as the non-living components of an ecosystem. The abiotic components of the tundra include temperature, wind, rain, snow, sunlight, soil, rocks and permafrost.
The enforcement of hunting regulations are conservation measures that promote the A. use of biological controls. B. fur industry. C. exploitation of species. D. preservation of species.
Answer:
the answer is D: the the preservation of species
Explanation:
Answer:
The answer is D. However if you are on study island the letter is C. But it is still PRESERVATION OS SPECIES
Explanation:
Name two ways that carbon (usually in the form of CO2) enters the atmosphere
Answer:
The two ways are as metabolic waste that is product of respiration and --by living organism
Also
As a result of burning of either material or substance let's say from engine--non living matter
An injury to which region would interfere with the sleep-wake cycle?
An injury to the suprachiasmatic nucleus (SCN) in the hypothalamus would disrupt the sleep-wake cycle, as it regulates circadian rhythms by controlling melatonin secretion in response to light and darkness.
Explanation:An injury to the suprachiasmatic nucleus (SCN) within the hypothalamus would interfere with the sleep-wake cycle. The SCN acts as the body's biological clock, influencing circadian rhythms by responding to light cues and regulating the secretion of melatonin. Melatonin levels are increased by darkness, promoting sleep, and decreased by light, promoting wakefulness. Disruptions in these processes can lead to difficulties with sleeping patterns such as insomnia or excessive sleepiness during the day.
Additionally, other brain areas that regulate sleep, such as the thalamus and pons, also contribute to maintaining normal sleep-wake cycles. Therefore, injuries to these areas might result in sleep disorders or disturbances in circadian rhythms.
Final answer:
An injury to the hypothalamus or the pons could interfere with the sleep-wake cycle.
Explanation:
The sleep-wake cycle is controlled by multiple brain areas, including the thalamus, the hypothalamus, and the pons. An injury to any of these regions can interfere with the sleep-wake cycle. For example, damage to the hypothalamus, which contains the suprachiasmatic nucleus (SCN) - the biological clock of the body - can disrupt the circadian rhythms that regulate sleep. Damage to the pons can interfere with the regulation of rapid eye movement (REM) sleep. Therefore, an injury to either the hypothalamus or the pons could interfere with the sleep-wake cycle.
In snow-bound, where does the speakers sense of hope come from?
Answer:
Heaven
Explanation:
5. Explain how an enzyme changes the activation energy of a reaction.
Answer:
enzymes are protein that increase the rate of a reaction by decreasing the amount of energy needed to get a reaction started
Explanation:
enzyme inhibitors give substances that bind to an enzyme and change its shape or block its ability to interact with the chemical reaction
6. Who discovered DNA typing?
Robert Ultman
ooooo
Daniel Martin
Thomas Nobel
Alec Jeffreys
Answer:
It was Alec Jeffrey
Which of the following are reactants in the process of aerobic respiration?
A.
carbon dioxide and water
B.
carbon dioxide and oxygen
C.
glucose and water
D.
glucose and oxygen
Answer:
Explanation:
the answer is D
How many electrons does a neutral atom with four protons contain?
How many chromatids are there in one duplicated chromosome
Answer:
There are two chromatids in one duplicated chromosome.
Explanation:
Before any cell undergoes the process of cell division, the chromosomes of the cell duplicate themselves. This results in the formation of two chromatids which are known as the sister chromatids. The chromatids are joined together from the centre at a position called the centromere. The chromatids contain the same kind of DNA in them. Chromatids are often confused with homologous chromosomes. They are not homologous chromosomes, they are the copy of a chromosome.
In biology, a duplicated chromosome contains two identical copies (chromatids) that are attached via a structure known as the centromere.
Explanation:In biology, a duplicated chromosome has two identical copies (chromatids) attached to each other by a structure called the centromere. Hence, we can say that in one duplicated chromosome, there are two chromatids. This state typically exists after DNA replication, a process during the S phase of the cell cycle, and before cell division, when chromatids separate into each new cell.
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14. Which is true about a dependent variable in an experiment?
a. It is the experimental data.
b. It is manipulated by a scientist.
c. It never changes during the experiment.
d. It is not affected by the independent variable.
c. It never changes during the experiment.
A dependent variable never changes during the experiment. So, the correct option is (C).
What is Dependent Variable?Dependent and independent variables are types of variables in mathematical modeling, statistical modeling, and experimental science. Dependent variables are defined because their values are studied under or demanded that they depend, by some law or rule, on the values of other variables.
A dependent variable is what is measured in the experiment and what is affected during the experiment.
The dependent variable reacts to the independent variable because it is called dependent because it "depends" on the independent variable.
Thus, a dependent variable never changes during the experiment. So, the correct option is (C).
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Which product can you NOT recycle? A. newspaper B. pressure-treated wood C. aluminum soda can D. plastic milk jug
Answer:
Pressure treated wood
Explanation:
Answer
b wood
Explanati
What determines whether an allele is dominant or recessive
Answer:
A dominant allele in the genotype is always expressed in the phenotype. For example, if brown eye color is dominant in a species, an animal that inherits even a single brown allele will always have brown eyes. If it's recessive, he'll only have brown eyes if he inherits a brown allele from each parent.
Explanation:
The diagram below shows three parts labeled A, B, and C, of Earth's orbit around the sun.
Which of these statements is correct about Earth in the three parts of the orbit?
a. It travels faster in part A than in part B.
b. It travels faster in part C than in part B.
c. It travels slower in part A than in part C.
d. It travels slower in part A than in part B.
Answer:
Option A.
Explanation:
It travels faster in part A than in B, because the distance between the earth and the sun in part A is shorter.
How does the conservation of matter relate to the process of digestion?
The conservation of matter is related to the process of digestion in the following way:
When food is eaten it is digested by converting it into smaller particles. These smaller particles are then digest and gives the energy to our body. Thus, we get energy by eating or digesting the food. Hence, we can say that mass neither created nor destroyed but it change one form to another, just like the form from food to energy.
Law of Conservation of Matter:It states that matter cannot be created or destroyed. In a physical change, substances can change form, but the total mass remains the same.
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The conservation of matter relates to the process of digestion in that the mass of the food ingested is equal to the mass of the substances produced after digestion, which include waste products and the nutrients absorbed by the body. This principle is a demonstration of the law of conservation of mass, which states that matter cannot be created or destroyed in an isolated system.
During digestion, the food we consume is broken down into smaller molecules that can be absorbed by the body. These molecules include carbohydrates, proteins, fats, vitamins, and minerals. The digestive system uses mechanical and chemical processes to convert the food into a form that can be absorbed into the bloodstream.
The mass of the food ingested is conserved throughout the digestive process. The nutrients absorbed by the body contribute to growth, repair, and energy production. The waste products, which include undigested parts of the food and substances produced during the digestive process, are eliminated from the body.
If we were to account for all the matter that enters the digestive system and compare it to all the matter that leaves it (either as absorbed nutrients or as waste), we would find that the total mass remains constant. This is a practical application of the conservation of matter in a biological context.
In summary, the conservation of matter in the context of digestion means that the total mass of ingested food equals the sum of the mass of the nutrients absorbed into the body and the mass of the waste products excreted. This is a clear example of how the law of conservation of mass applies to living organisms and their metabolic processes.
Explain how an Enzyme works using the terms from 1-5
The enzyme grabs onto the substrate in a special area called the active site.
The active site is an area of the enzyme that fits around the substrate.
Catalysis is when the substrate is changed.
The enzyme lets go, returns to normal and is ready to do another reaction.
The substrate is no longer the same, it is now called the product.
How does enzyme work?
An enzyme functions through a process called catalysis, where it facilitates chemical reactions in living organisms. The enzyme's active site, a specific region with a unique three-dimensional shape, binds to a substrate, which is the molecule the enzyme acts upon.
This binding creates an enzyme-substrate complex, allowing the enzyme to catalyze the conversion of the substrate into a product. The active site provides a specialized area for the substrate to undergo the chemical changes, ensuring specificity and efficiency in the reaction. Ultimately, the enzyme remains unchanged after the reaction.
The complete question is below:
Explain how an Enzyme works using the terms from 1-5
1. active site
2. substrate
3. product
4. Catalysis
5. area
Which molecule carries the energy produced
during cellular respiration?
glucose
carbon dioxide
АТР
Answer:
Energy is produced via ATP during cellular respiration. ATP is the body's energy currency and is used in many processes.
Explanation:
Determine which DNA technology allows for each of the following scenarios.
A correct father is identified.
A suspect is identified using a small sample of evidenc
A missing person is correctly identified
The determination of DNA technologies that allows for each of the following scenarios are as follows:
A correct father is identified: Y-chromosomes.A suspect is identified using a small sample of evidence: PCR. A missing person is correctly identified: mitochondrial DNA. What is DNA technology?DNA technology may be defined as the process of sequencing, analysis, and cutting-and-pasting of DNA within the organisms or in vitro. Common forms of DNA technology include DNA sequencing, polymerase chain reaction, DNA cloning, and gel electrophoresis.
The process of identification of Y chromosomes in humans determines the maleness. In other words, it represents a correct identification of father and son. PCR stands for Polymerase chain reaction. It involves a laboratory technique for rapidly producing (amplifying) millions to billions of copies of a specific segment of DNA.
While mtDNA is the DNA that is specifically located in the region of the mitochondria, cellular organelles within eukaryotic cells convert chemical energy from food into a form that cells can use, such as adenosine triphosphate.
Therefore, The determination of DNA technologies that allows for each of the following scenarios is well described above.
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Final answer:
DNA fingerprinting is the technology used to identify individuals for paternity testing, criminal investigations, and missing person identification by analyzing variations in DNA sequences.
Explanation:
The DNA technology used to identify a correct father, a suspect using a small sample of evidence, and a missing person is commonly known as DNA fingerprinting or genetic fingerprinting. This technology analyses the variability in DNA sequences to match individuals with biological samples. For paternity tests, technicians compare DNA sequences from the mother, child, and potential father. In forensic cases, geneticists compare the DNA from crime scene evidence to that of suspects to find a match.
DNA fingerprinting is incredibly powerful because it utilizes the parts of human DNA that show high variability, meaning those sequences that are likely to be different in each individual, except for identical twins. The process typically involves amplifying a specific region of DNA, often using a method called Polymerase Chain Reaction (PCR), and then separating and analyzing the DNA fragments by gel electrophoresis.
Furthermore, the use of restriction enzymes allows DNA molecules to be cleaved at specific points, making the analysis more precise. DNA collected from various sources such as hair, blood, or saliva, can uniquely identify individuals, establishing relationships or linking suspects to crime scenes based on their unique genetic makeup.
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In a species of mouse, brown fur (B) is dominant over white fur (b) If a heterozygous brown mouse is
crossed with a white-colored mouse, what would be true of their possible offspring?
100% BB
25% BB, 25% bb, and 50% Bb
50% Bb and 50% bb
75% BB and
Answer:
50% Bb and 50% bb
Explanation:
B b
b Bb bb
b Bb bb
therefore the genotype percentage for Bb: bb is 50:50%
the phenotype is 2 brown: 2 white
What’s the difference between cancer cells and normal cell
hope it is helpful for you
in the early days of the solar system, many planetesimals orbited the Sun. Theory has it that one large planetesimal the
size of Mars struck a glancing blow to the molten Earth. How did this event contribute to the formation of the Moon?
This event led to the breaking away of a part of earth and the part was held on by earth’s gravity and this part became the moon.
Explanation:
The formation of moon was after the formation of the earth. In the initial years of the formation of earth it was affected by several asteroid hits and comets. Small planets referred to as planetesimals also kept continuously affecting the earth. Before 4.5 billion years ago a planetesimal which was about the size of Mars hit earth.
This hit led to the breaking away of a part of earth. The part which was sent to space by the hit was caught by the gravity of the earth and the part started orbiting around the earth. The similarity of the rocks in moon to that of earth is attributed to the fact that moon was actually formed from earth.
The moon and earth keeps influencing each other. The moon’s effect reduced the speed of earth’s rotation and the moon keeps moving away from the earth due to the influence of earth.
Answer:
Molten rock broke off from Earth following the impact. The rock coalesced (gathered) into a ball, which formed the Moon.
Explanation:
Which statement best describes codominance and incomplete dominanace
Answer:
Show me the statements
bacteria have many roles on earth
select all correct responses
Help make some types of food for humans
Pathogens
Mutualist like the large intestine of humans making vitamin K
Fix atmospheric nitrogen and soil for use in plants
Winning dancing with the stars
Answer: All options except Winning dancing with the stars.
Explanation: Bacteria performs many roles on this planet.
Some bacteria makes food for ourselves such as yogurt and bakery products. Some bacteria live in our in body and make some useful vitamins for our body and help in digestion. There are many bacteria that lives in the root of some higher trees and fix atmospheric nitrogen for the plant. Some species of bacteria causes various diseases in human, animals and plants.
As a character of all living things, homeostasis relates most directly to which of the following biological themes
Explanation:
As a characteristic of all living things, homeostasis relates most directly to which of the following biological themes?
A.) Interacting systems.
B.) Stability.
C.) Evolution.
D.) Scale and structure.
Correct: B.) Stability.
During homeostasis the body maintains a constant internal balance (stability) in pH, temperature, blood pressure etc. Cells in a multicellular organism become specialized for particular tasks and communicate with one another in order to maintain homeostasis.
Within the human body these are known as hormone cascades, where several complex steps occur- the tissues signal to one another with the use of hormones released by the endocrine system. The regulation (increase and decrease) of these secretions is achieved by negative feedback loops, where the release of certain substances during a cascade in turn halts the secretion of hormones at earlier stages.
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Animal feces would be classified as which type of water pollutant?
Answer:
waste contamination
Explanation:
dont cheat or i will hunt you down with my pack of wolves
Final answer:
Animal feces is a biological water pollutant that can introduce infectious agents into water bodies, leading to diseases such as typhoid fever and hepatitis. It is a significant concern when waste management systems are inadequate, especially in areas with large livestock farms.
Explanation:
Classification of Animal Feces as a Water Pollutant
Animal feces is classified as a biological pollutant when considering the types of water pollutants. These pollutants primarily consist of pathogens such as bacteria, viruses, and parasitic worms, which can originate from the improper treatment and disposal of human and animal waste. As a biological water pollutant, animal feces contributes to the contamination of water resources by introducing infectious agents into water bodies.
Moreover, the waste from animal feces can lead to diseases in humans, such as typhoid fever, cholera, and hepatitis. The presence of such biological materials in water can be mitigated through methods such as chlorination, ozonation, and by improving the treatment of sewage before it is discharged into water bodies. In cases where animal feces from livestock farms are not managed correctly, it can add to the issue of water pollution, especially if waste is stored in lagoons that may leak, contaminating surrounding water resources.
20 pts! Why is anaerobic respiration energetically less efficient than aerobic respiration?
The aerobic respiration process uses a respiratory electron transport chain, while anaerobic respiration uses a molecular electron transport chain.
Anaerobes use less oxidizing substances like sulfate or nitrate during the electron transport chain so less energy is released per oxidized molecule.
Anaerobes use only oxygen during the electron transport chain, while aerobes use both oxygen and carbon dioxide which results in a more efficient process.
Anaerobes' terminal electron receptors have larger reduction potentials than O2 meaning that more energy is released per oxidized molecule.
Answer:
Anaerobes use less oxidizing substances like sulfate or nitrate during the electron transport chain so less energy is released per oxidized molecule.
Explanation:
Anaerobes use fewer oxidizing substances such as sulfate or nitrate during the electron transport chain, so less energy is released per oxidized molecule. This is because unlike aerobic respiration, in the anaerobic process there is no need for oxygen and glucose will be formed from the body's own food or reserves.
In this process of metabolic function there is no presence of oxygen and the energy comes from the ATP molecule, formed by the adenine nitrogen base, sugar, and three phosphates. This connection, when necessary, is broken for the release of energy.
In this case, glucose will originate from food or reserves created by the body itself. Thus, in the cell cytosol, this substance undergoes several reactions, caused by various enzymes, and then pyruvate, also used in aerobic respiration, will be generated. During the anaerobic respiration process, the ADP (adenosine phosphate) molecule receives a phosphate. After this, ATP formation occurs.
Final answer:
Anaerobic respiration produces only 2 ATP per glucose molecule due to the use of less efficient final electron acceptors, such as sulfate or nitrate, compared to oxygen used in aerobic respiration, which can yield up to 38 ATP. This makes anaerobic respiration significantly less efficient in energy production.
Explanation:
Anaerobic respiration is energetically less efficient than aerobic respiration because it yields far less ATP per glucose molecule. Anaerobic respiration produces only 2 ATP molecules, whereas aerobic respiration can produce up to 38 ATP molecules. The key difference is the presence of oxygen. In aerobic respiration, oxygen serves as the final electron acceptor in the electron transport chain and allows for a more complete oxidation of glucose, leading to the production of a larger amount of ATP through oxidative phosphorylation.
During anaerobic respiration, the lack of oxygen means that alternative less oxidizing substances like sulfate or nitrate serve as the final electron acceptors. These have lesser reduction potentials compared to oxygen, which results in far less energy being released during their reduction. The result is a significantly decreased yield of ATP from the process of electron transport and phosphorylation. Additionally, the electron transport chain in anaerobes can be less efficient due to different electron carriers that produce smaller electrochemical gradients.
The inefficiency of anaerobic respiration impacts organisms heavily; to obtain the same amount of energy as aerobic respiration, a much larger quantity of glucose must be metabolized. This is a critical limitation for anaerobic organisms and is a significant factor in the dominance of aerobic organisms in most environments on Earth.
Identify the structures in the cell pictured on the right.
Screenshot will provide you with the correct answers.
Fixed immovable joint
Answer:
The fibrous joints are mostly also called as "fixed" or "immovable joints"These types of joints does not have joint cavity and are connected through fibrous connective tissue.Explanation:
Fixed joints are those where movement of bones is not possible, for example: skull ( cranium). They provide stability in certain areas. They are characterized by 'continuity of bony segments' which have been tightly joined and separated by a thin fibrous connective tissue. There are 3 different types of fixed joints: sutures , serrate suture and lap suture.