Answers
Answer: it's the 3rd one " the brown rabbit in parental generation heterogeneous for the fur color trait." because the brown rabbit is dominant and the black rabbit is recessive.
Explanation:
Related Questions
which source of calories causes the body to expend the most energy during digestion?
Answers
The consumption of energy during digestion is known as the thermic effect of food.
Consuming food is how we get the energy needed to sustain the basic functions of our organisms. Digesting this food, however, also takes up energy. In fact, about 10% of the energy we expend daily is allocated towards the digestion and storage of food and nutrients. This is known as the thermic effect of food.
On average, the food with the highest thermic effect is that of vegetables and fruit with high water compositions. This, however, falls a bit out of the scope of the question given that these foods are often very low in calories. The food that is high in calories and has a high thermic effect is protein. On average, proteins consume 20-30% more energy to digest than other sources of calories.
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Explain how products produced by photosynthesis relate to those used by respiration.
Answers
Answer:
Photosynthesis converts carbon dioxide and water into oxygen and glucose. ... Cellular respiration converts oxygen and glucose into water and carbon dioxide. Water and carbon dioxide are by- products and ATP is energy that is transformed from the process.
Explanation:
what is the identity of the planets ?
a:
b:
c:
d:
Answers
Answer:
A - Jupiter
B - Neptune
C - Saturn
D - Uranus
hope that hepled :DD
1. Which of the following is the appropriate definition of a hypothesis?
O A proposed explanation that is already known.
O A theory about a problem.
A law that has been proven.
The reason for an observation.
O A proposed explanation that is testable.
Answers
Answer:
A proposed explanation that is testable
Hope this helps!
Answer: It would be a proposed explanation that is testable.
Explanation: By definition, a hypothesis means an idea that is proposed for the sake of argument so that it can be tested to see if it might be true.
write an article on the topic 'impact of population on ecosystem'.
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Abstract -
The rapid increase of human population is putting an incredible strain on our environment. While developed countries continue to pollute the environment and deplete its resources, developing countries are under increasing pressure to compete economically and their industrial advancements are damaging as well. The demands that this growth places on our global environment are threatening the future of sustainable life on earth. One of the largest environmental effects of human population growth is the problem of global warming. Some scientists fear that global warming will lead to rising sea levels and extreme weather conditions in the future. In order to support the growing population, forests are being destroyed at an alarming rate. Humans also continue to put a great demand on the natural resources of our planet. Many non-renewable resources are being depleted due to the unrestrained use of fuel and energy. Many parts of the world also suffer from a shortage of food and water. The growth of population puts larger demands on our already limited resources. The environment on earth is suffering from the growth of global population. The depletion of resources and biodiversity, the production of waste, and the destroying of natural habitat are serious problems that must be addressed in order to ensure that life on earth will be sustainable throughout the next century. Keywords: Industrial advancements, Land and soil degradation, global warming, Climate change, Air and water pollution, Deforestation, Physical environment.
select the cell cycle impairments that you predict would lead to cancer. recall that cancer arises from unregulated, repeated cell divisions. choose all that apply.
Answers
Cancer cells can arise in a variety of ways, the most common, however, tends to be genetic mutations.
Genetic mutations can occur during the life of a cell due to outside factors such as:
The food we eatThe environment we expose the cell toThe substances that touch the cell (e.g skin cells)That being said, the most common time for a genetic mutation to take place is during cellular division. During this time the DNA that encodes the cells is duplicated. Genetic mutations in this DNA sometimes cause the elimination of programmed cell death.
Programmed cell death is what tells a cell when it should stop growing and dividing. This is a regulatory function designed to keep the number of cells at a balance, growing only when needed. As this cell multiplies, this produces an increasing number of cells that will not die. The accumulation of these cells is referred to as cancer.
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Which phrase describes a nuclear chain reaction?(1 point) a series of reactions in which particles from one reaction trigger the next reaction a reaction in which small nuclei combine into a larger nucleus a reaction in which particles spontaneously emit radiation a type of reaction which only takes place in the sun and other stars
please help
Answers
Answer:
series of reactions in which particles from one reaction trigger the next reaction.
Explanation:
If your a connexus student here for the Modeling Nuclear Processes Quick Check, here are the answers!
1-the process by which small nuclei combine into a larger nucleus
2-a series of reactions in which particles from one reaction trigger the next reaction
3-disturbing a drop of water such that it breaks into smaller droplets
4-popping a bag of popcorn
5-The resulting nucleus is more stable than the original nucleus. The nucleus can be of a different element than the original.
Hope this helps! Good Luck!
A nuclear chain reaction happens when a single nuclear event averages out one or more further nuclear reactions, opening the door for a potentially endless chain of similar processes. Therefore, option (A) is correct.
What is a nuclear chain reaction ?A nuclear chain reaction happens when the output of one nuclear reaction triggers the occurrence of further nuclear reactions. These cascade reactions are nearly invariably a succession of neutron-excessive fission events. The moniker "chain reaction" comes from the fact that these extra neutrons have the potential to trigger more fission events. The functioning of nuclear power plants depends on nuclear chain reactions.
About a million times more energy is released during nuclear reactions than during chemical ones. Every fission event must result in precisely one additional fission event in order for a nuclear chain reaction to continue.
Therefore, option (A) correctly describes the nuclear reaction.
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what is the difference between inorganic and organic compounds?
Answers
Answer:
Organic compounds always have a carbon atom while most of the inorganic compounds do not contain the carbon atom in them .
Explanation:
Answer:
The primary difference that lies between these organic compounds and inorganic compounds is that organic compounds always have a carbon atom while most of the inorganic compounds do not contain the carbon atom in them. Almost all the organic compounds contain the carbon-hydrogen or a simple C-H bond in them. Explanation:
which molecule is important in regulating cell membrane fluidity?
Answers
Answer:
cholesterol plays a distinct role in determining membrane fluidity.
Cholesterol has a specific impact on how fluid a membrane is. With their polar hydroxyl groups adjacent to the hydrophilic head groups of the phospholipids, cholesterol molecules enter the bilayer.
How does cholesterol regulate cell membrane fluidity?The phospholipid bilayer's random distribution of cholesterol molecules aids the bilayer's ability to remain fluid under a variety of environmental conditions.
Cells control membrane fluidity by modifying the lipid composition of the membrane. A lipid bilayer's fluidity fluctuates according to temperature. Lipid bilayers become more fluid, porous, or leaky at increasing temperatures (like butter melting on a hot day).
Cholesterol makes the cell membrane less fluid at higher temperatures and more fluid at lower temperatures.
Therefore, cholesterol is the chemical in the plasma membrane that has an impact on the fluidity of the membrane.
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science a:Class B;kingdom c:order or d:phylum
Answers
Answer:
A. Class
Explanation:
Kingdom can be answered but the most specific is class
which system helps regulate body temperature and water loss?
Answers
Answer: The integumentary system consists of the skin, hair, nails, glands, and nerves. Its main function is to act as a barrier to protect the body from the outside world. It also functions to retain body fluids, protect against disease, eliminate waste products, and regulate body temperature.
Based on the graphs shown, what would you conclude about the conditions under which enzymes function in cells?
A
Enzymes are most effective at a particular pH and temperature but can function over a range of pH and temperature.
B
С
Enzymes do not have a specific pH or temperature at which they are most effective but function optimally over a range of pH and temperature.
Enzymes work equally well at the low and high ends of their temperature range but reaction rate drops quickly at the high end of their pH range
Enzymes only function at a specific pH and temperature and cannot function over a range of pH or temperature.
D
Answers
atoms determine the number of valence electrons determine the stability of the atom based on above
Enzymes are the bio-catalysts. Their presence can increase the rate of a reaction. Enzymes are most effective at a particular pH and temperature but can also function over a range of pH and temperature. Thus, correct option is A.
What are Enzymes?Enzymes are the biocatalysts which are responsible for increasing the rate of a chemical reaction. The enzymes increase the rate of a reaction by decreasing the activation energy which is required by the reactant molecules to collide and form products.
Enzymes are found to function over a range of pH, temperature, and solvents. Enzymes work over a range of different conditions. The value of pH and temperature at which enzymes show highest activity is called optimum condition. Below and above this point, enzymes function but the activity will be lesser than that in the optimum condition.
Therefore, A is the correct option. Enzymes are most effective at optimum condition of pH and temperature.
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An object has a mass of 26kg has a force of 19N applied to it.
What is the resulting acceleration of the object?
Show your work
Answers
Answer:
f=ma
so if we are finding acceleration, we divide force by mass to get the acceleration which can be 19/26 which gives 0.73 as resulting acceleration
Hope it helps
When an object has a mass of 26kg has a force of 19N applied to it then the resulting acceleration of the object would be 0.73 meters/second².
What is Newton's second law?Newton's Second Law states that The resultant force acting on an object is proportional to the rate of change of momentum. The mathematical expression for Newton's second law is as follows,
F = ma
As given in the problem, when an object has a mass of 26kg has a force of 19N applied to it then we have to find the resulting acceleration of the object,
mass= 26 kilograms
force = 19 Newtons
Force = mass×acceleration
19 Newtons = 26 × acceleration
acceleration = 19/26
= 0.73 meters/second²
Thus, the resultant acceleration of the object would be 0.73 meters/second².
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What is a sister chromatid?
1. a full-sized singular chromosome
2. an irregularly divided chromosomes
3. a complete duplicated chromosome
4. half of a duplicated chromosome
Answers
Answer:
4. half of a duplicated chromosome
Explanation:
in mitosis,when a cell splits its called a sister chromatid
Nanotechnology is the study of using extremely small things across many fields of science. Some scientists have discovered that this technology allows researchers to make targeted changes to the DNA of plants that can help reduce the use of pesticides. What field of science is being used by nanotechnology in this example? A) biology B) chemistry C) engineering D) physics
Answers
biology because it was targeted to study the changes in DNA which is a hereditary character
What has occurred when a solid forms out of the mixing of two liquids in a chemical reaction?meltinggas formationcombustionprecipitate formation
Answers
Answer:
when two liquids don't mix together in a chemical reaction it is called a precipitate
blood is taken to the lungs to become oxygenated and returned to the heart before being pumped through the body. which blood vessels carry blood away from the heart?
Answers
Answer:
arteries
Explanation:
Arteries carry blood Away from the heart, and veins carry blood towards the heart.
why is the smooth endoplasmic reticulum unable to synthesize proteins?
Answers
Answer:
Why is the smooth endoplasmic reticulum unable to synthesize proteins? No ribosomes are attached to its surface. The liver is involved in detoxification of many poisons and drugs. ... Large numbers of ribosomes are present in cells that specialize in producing which of the following molecules
Explanation:
what are restriction fragment length polymorphisms?
Answers
Answer:
difference in homologous DNA sequences
Explanation:
Restriction Fragment Length Polymorphism (RFLP)is a difference in homologous DNA sequences that can be detected by the presence of fragments of different lengths after digestion of the DNA samples in question with specific restriction endonucleases.
in the figure, which number represents dna synthesis?
Answers
The number that represents DNA synthesis in the figure would be II.
DNA synthesis happens at the S phase in the interphase of the cell cycle, just after the G1 or cell growth phase and before the G2 or protein synthesis phase.
During the S phase, the amount of DNA in the cell doubles as replication of DNA takes place. However, the number of chromosomes remains constant.
The doubling of the amount of DNA is responsible for the sharp rise in the line that represents the amount of DNA in the figure. Thus, the region of a steep rise in the amount of DNA would represent the DNA synthesis phase.
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How long can fingerprints stay on plastic if stored correctly?
Answers
Answer:
over 7 yrs...............
What prevents liquids from mixing with water
Answers
Explanation:
hydrogen bonds makes liquids not mix in with water
which animal was the first to be domesticated by early humans?
Answers
Answer:
it is dog because the dog is the best friend of the human
Answer:
Goats
Explanation:
Goats and/or sheep were the first animals to be domesticated by early humans.
The question is in the image below:
Answers
Answer:
I think that the answer is true
_____ splits water into 1/2 O2, H , and e- . A structure of a thylakoid. Letters from A to E indicate definite structures. Letter A indicates the first protein complex located in the thylakoid membrane. Letter B indicates a multiprotein complex between two complexes A and C. Letter C marks the second integral membrane protein complex. Letter D marks a substance inside the thylakoid. Letter E indicates a flask-shaped structure in the membrane of the thylakoid, which has a canal through the membrane. D B C A E
Answers
The luminous reactions begin when light reaches photosystem II. The water molecules provide electrons to the photosystem, releasing oxygen and protons. The letter A represents photosystem II that splits water.
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1. Luminous energy is trapped by chlorophyll in Photosystem II.
2. When the pigment molecules absorb light, electrons provided by water molecules get in a higher energy level.
3. The excited electrons go through the electron transport chain from Photosystem II to a less energetic level in photosystem I.
4. When the excited electrons leave photosystem II, they are replaced by new electrons extracted from the water molecules.
5. Luminous energy absorbed move the electrons from the photosystem I to another electron acceptor, from where they get transported again and used to produce NADPH molecules.
6. When electrons leave Photosystem I, they are replaced by new electrons coming from photosystem II.
7. When the water molecule breaks down, hydrogen ions remain in the thylakoid lumen, from where they are pumped to the stroma by the ATP synthase.
8. The released energy is used to produce ATP molecules.
9. Hydrogen ions go back from the stroma to the thylakoid compartment.
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9. Why can water dissolve many substances?
Answers
Answer:
its a universal solvent for polar substances(charged or ionisable substances). which implies that water can dissolve a variety of solutes as it is polar and most solutes are polar.
which example is one specific form of simple diffusion?
Answers
Answer:
What is one specific form of simple diffusion? If water moves into a cell by osmosis, it is moving into an area of higher solute concentration. Why is diffusion important to cells? It helps maintain the balance of materials needed for survival, such as oxygen and water.
Explanation: Hope this helps!!!
1. State Mendel's Law of Inheritance.
2. What are the two alleles for flower color in snapdragon?
3. State the Law of Non-Mendelian Inheritance in snapdragon.
Answers
Answer:
1
Explanation:
he was able to find chromosomes in plants
Gregor Mendel's research on pea plants led him to the fundamental ideas of inheritance. He came to the conclusion that genes are inherited as distinct, paired units from each parent.
What is Non-Mendelian Inheritance?
Inheritance of features with a more complicated genetic base than one gene with two alleles and total dominance is referred to as non-Mendelian inheritance.
One allele may not always be dominant over another, resulting in a phenotype that falls between the two parents in certain people.
Incomplete dominance is the name given to this inheritance pattern. Snapdragon flowers, for instance, exhibit partial dominance.
When both alleles are present at the same time, this pattern of inheritance is referred to as partial dominance, since neither allele is totally dominant over the other.
Therefore, red and white snapdragons cross to produce exclusively pink progeny.
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During the replication of DNA:
A. both strands of the DNA molecule act as templates
B. only one strand of DNA acts as a template
C. the cell also undergoes mitosis
D. the reaction is catalyzed by RNA polymerase
Answers
Answer:
A
Explanation:
Both strands of the DNA molecule act as templates
Both strands will be divided and then used to make two new DNA strands, each with half of the original
During DNA replication, the two strands of the DNA molecule act as templates. Because the fret has been divided into two pieces, each new DNA strand contains half of the original strand.
What is DNA?DNA, or deoxyribonucleic acid, is the molecule that carries the genetic material required for an organism's growth and operation. DNA has a double helix structure, which is made up of two connected strands that loop around one another to form a twisted ladder.Depending on your parents, half of your genome is inherited from your mother and half from your father. The information molecule is DNA. It stores instructions for the production of larger molecules known as proteins. These instructions are stored within each of your cells and are distributed across 46 long structures known as chromosomes. These chromosomes are composed of thousands of shorter DNA segments known as genes.To learn more about DNA refer to:
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What features are present in both a plant cell and bacterial cell
Answers
Answer:
organelles , Plasma membrane, cytoplasm, ribosomes
Explanation:
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