ight so According to dat punnet square, 90 of dem lil fluffy bunnies should be black.
your welcome
have a great day and keep posting K K
Answer:
C) 90
Explanation:
As per Mendel’s law of dominance, the dominant allele expressed in F1 offspring in heterozygous condition. Thus, in heterozygous condition, the dominant gene determines the phenotype for a trait. In the given question all the bunnies of the F1 generation will be black fur (Bb). B is the dominant allele. When heterozygous rabbit with black fur are crossed then both black and white fur rabbits are produced in the F2 generation in the ratio 3:1. Recessive phenotype, white fur (bb) will appear only in homozygous condition.
As per the question, 120 bunnies are born. 90 bunnies will be with black fur and 30 will be of white fur in the ratio 3:1. The 90 bunnies will be black.
True or false gravitational pull decreases with an increase in the distance between 2 objects
THE ANSWER TO THIS QUESTION IS TRUE
If nice with white coats are dominant to those with Brown coats, what is the genotype of a heterozygous mouse
Final answer:
A heterozygous mouse with regard to coat color has a genotype of "Ww", where "W" is the dominant allele for white coat color and "w" is the recessive allele for brown coat color. This heterozygous state does not affect the calculation of the phenotypic ratio in this context, and it is important to note the concept of epistasis when considering pigment production in mouse coat color.
Explanation:
In genetics, the genotype refers to the genetic makeup of an organism, specifically the alleles it has inherited. In the context of mice coat color, a heterozygous mouse for coat color has one allele for the dominant trait (white coat color) and one allele for the recessive trait (brown coat color). Since white coats are dominant, the genotype is represented by the letters "Ww", with "W" indicating the dominant white allele and "w" indicating the recessive brown allele.
The concept of a phenotypic ratio comes into play when predicting the outcomes of crosses between organisms. A phenotypic ratio describes the relative number of offspring with different physical traits (phenotypes) that result from a genetic cross. However, the question does not require us to calculate a phenotypic ratio, as it asks specifically for the genotype of a heterozygous mouse.
Additionally, epistasis is a genetic phenomenon where one gene can interfere with the expression of another gene. In the case of mice coat color, the gene responsible for pigment production (C) is epistatic to the agouti gene (A). An albino mouse with a genotype of cc will lack pigment, regardless of its genotype at the A locus.
What technological advancement was necessary before scientists could begin to observe cells? A. invention of the microscope B. invention of the balance C. invention of the telescope D. invention of the thermometer
A : microscope will be your answer
the correct answer would be
A) invention of the microscope
How would you define the term energy?
energy is property that must be and can be transferred to an object
Answer: Energy is the ability to do work. Living things need energy to grow, develop, move, and perform voluntary and involuntary body processes.
Plato Answer
What is an advantage of using totipotent cells instead of pluripotent cells for medical treatments?
A. Totipotent cells take a long time to mature.
B. Totipotent cells are easier to find in the human body.
C. Totipotent cells are the most common type of adult cells.
D. Totipotent cells can differentiate into more types of cells.
answer is D ( totipotent cells can differentiate into more types of cells )
What is the function of Plasmid DNA (in prokaryotic cells)?
PLZ DUE TOMMOROW!!
what is the difference between a control group and an experimental group?
Control Group: Group that is being controlled .This group doesn´t receive the treatment from the researchers
Experimental Group:Group that is being Experimented and that receives the testing
An experimental group is the group in an experiment that receives the variable being tested. One variable is tested at a time. The experimental group is compared to a control group, which does not receive the test variable. In this way, experimental groups are used to find answers in an experiment.
The difference between a control group and an experimental group is that the independent variable is changed for the experimental group, but is held constant in the control group.
In this way we came to know the result of the experiment by calculating the difference between them.
What happens to the structure of the protein when the critical point of temperature is reached?
Select all that apply.
A
The enzyme becomes denatured.
B
The enzyme loses function.
C
The protein structure is disrupted.
D
The structure of the protein is not changed.
The answers that apply are; A, B, & C
Proteins work at a particular range of temperatures, working optimally at around 37 degrees (body temperatures). When the temperatures exceed 40 degrees, the protein becomes denatured. This means that it loses its structure because the high temperatures break the hydrogen bonds that play a significant role in its tertiary structure. When denatured, the protein is unable to perform its function because the active site is also lost or is no longer effective.
One cell that undergoes meiosis will yield how many independent cells?
They will make 4 daughter cells
Mitosis makes 2 daughter cells
For anyone who understand biology help me out lol
How plasma membrane help maintain homeostasis
The Plasma membrane maintains the homeostasis throughout a cell because it filters what substances go in and out of the cell. If there is too much of a substance in a cell the… plasma membrane quickly disposes it and when there is not enough of a substance in a cell the plasma membrane lets the substance in. hope it helps
The plasma membrane maintains homeostasis by selectively allowing substances in and out of the cell while preventing the entry of harmful materials.
The plasma membrane plays a crucial role in maintaining homeostasis by acting as a selective barrier, controlling the passage of substances in and out of the cell. This selective permeability is vital for allowing essential nutrients to enter, waste products to exit, and for preventing harmful substances from affecting the cell's internal environment.
Moreover, the fluid nature of the plasma membrane enables proteins to move and function where needed, while the use of energy in the form of adenosine triphosphate (ATP) helps maintain ion gradients that are critical for cell function.
Cells that require larger amounts of specific substances have developed special transport mechanisms to ensure these materials are obtained from the extracellular fluids, often utilizing ATP to actively transport these substances against their concentration gradients.
The plasma membrane's flexibility is important for cells like red and white blood cells to change shape as they navigate through tight capillaries. Furthermore, the membrane's surface markers play a crucial role in cell recognition, important for tissue formation and the immune response's distinction between 'self' and 'non-self'.
The fluid-mosaic model of the cell membrane suggests that the membrane is primarily composed of which substances?
proteins and lipids.
Hope this helps!
Answer: Proteins and lipids
Explanation:
The fluid mosaic model of the cell membrane is made of protein and lipids. It is the structure of the cell membrane. There is a lipid bilayer in which the molecules of are embedded.
It provides the elasticity and fluidity to the membrane. The cell membrane of all the organism except few are made of lipid and protein.
This provides the mobility to the substances going out of the cell and coming in the cells. The cell wall is semipermeable and allows only selective molecules to pass through the cell membrane.
What is the nucleolus
The nucleolus is a vital structure within the nucleus of eukaryotic cells responsible for creating ribosomal RNA, which leads to the production of ribosomes.
The nucleolus is a central structure within the nucleus of eukaryotic cells that is primarily responsible for creating ribosomal RNA (rRNA), which is essential in the production of ribosomes. Ribosomes are molecular machines critical for protein synthesis in the cell. The nucleolus appears as a dense, dark-staining mass under a light microscope. It is considered the largest structure in the nucleus where the synthesis and partial assembly of ribosomes occur. The nucleolus is made up of proteins, RNA, and DNA and forms around specific chromosomal regions.
Aside from its main role in ribosome assembly, the nucleolus plays a part in cell stress responses and assembly of signal recognition particles. If the nucleolus does not function correctly, it can lead to several human diseases.A single nucleus may contain several nucleoli, which further highlights its fundamental importance in cellular function and in maintaining the cell's protein-making capabilities.
DNA can be found it what organelles
You may be referring to the nucleus. The nucleus controls the cell, and it contains chromosomes (DNA) genetic makeup. Hope I could help|!
DNA is primarily found in the nucleus of eukaryotic cells. However, it also exists in organelles such as the mitochondria and chloroplasts. In prokaryotic cells, DNA is found in a region called the nucleoid.
Explanation:Deoxyribonucleic acid, otherwise known as DNA, carries the genetic instructions used for the functioning and development of all living organisms. DNA primarily resides within the nucleus of eukaryotic cells. However, it is also found in other cell organelles, such as mitochondria and chloroplasts. In the nucleus, the DNA is organized into structures called chromosomes. Each chromosome contains many genes. Proteins, which are vital for the cell's functionality, are crafted based on the information stored in these genes.
In prokaryotic cells, DNA, usually in the form of a single, circular chromosome, is found in a region in the cytoplasm called the nucleoid, which is not enclosed by a nuclear membrane like in eukaryotes. This structural difference reflects the evolutionary complexity and diversity among living organisms. However, regardless of the type of cell, DNA serves as an essential component, informing the cell's activity and playing a determinant role in its structure and capabilities.
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describe each part of the geosphere including the parts that make up the lithosphere
The geosphere is considered that portion of the Earth system that includes the Earth's interior, rocks and minerals, landforms and the processes that shape the Earth's surface. The geosphere may be taken as the collective name for the
hydrosphere (The hydrosphere is the liquid water component of the Earth. It includes the oceans, seas, lakes, ponds, rivers, and streams. The hydrosphere covers about 70% of the earth surface) cryosphere (The cryosphere is the frozen water part of the Earth system. The Beaufort Sea, north of Alaska. One part of the cryosphere is ice that is found in water), atmosphere( is a layer or a set of layers of gases surrounding a planet or other material body) lithosphere is the substantial, outer part of the Earth. The lithosphere includes the brittle upper portion of the mantle and the crust, the outermost layers of Earth’s structure. It is bounded by the atmosphere above and the asthenosphere below. The lithosphere is further subdivided into tectonic plates. The lithosphere is the most rigid of Earth’s layers.The geosphere includes the core, mantle, and crust of the Earth, whereas the lithosphere is the outer, rigid part made up of the crust and the upper mantle. It contains both continental and oceanic crust, supporting ecosystems via soil for plant growth and is overlaid by the flowing asthenosphere.
The geosphere represents the solid part of the Earth, encompassing all the rocks and minerals that form our planet's structure. It is composed of several layers — the core, the mantle, and the crust. The lithosphere is a subset of the geosphere and includes the brittle upper part of the mantle along with the crust. The lithosphere is divided into two main types of crust: the continental crust and the oceanic crust.
Lithosphere Details:
The continental crust forms the landmasses on the Earth's surface while the oceanic crust forms the seafloor, which is also made up of rock and sediment. The upper mantle and crust that make up the lithosphere are composed of various types of stone (from which the term 'lith' is derived). This outermost shell is not only important geologically, but it also supports life, as the top layer of soil found within it provides the necessary nutrients for plant growth. Underneath the lithosphere lies the asthenosphere, a less rigid, plastically flowing layer that influences the movement and behavior of the tectonic plates that make up the lithosphere above it.
Where do low and high tides occur
they occur because of the moon and the moon controlled all tides
Do you think the corpse flowers smell meets the definition of an adaptation as stated in the video
Answer:
Yes. Because the flower blooms for only a short time, it needs to attract pollinators quickly so that it can reproduce. If it didn’t have this adaptation, the plant might not be able to produce offspring.
Explanation:
plato sample answer
Yes, I think the corpse flower's smell meets the definition of an adaptation.
What is Plant adoption?Plant adaptation is when a species develops special features to improve its chances of survival. Adaptations evolve over a long period of time, and they are inheritable, meaning they are passed on to offspring.
It is because the flower blooms only for short time and it needs to attract pollinators quickly so that it can reproduce. If it didn't have adaptation, the plant might not be able to produce offspring.The corpse flower smells like a mixture of rotten food, decaying organisms, and garbage.This repulsive scent attracts pollinating insects to the flower.In biology, adaptation is the act or process of changing to better suit a situation.Adaptation is also a process by which a species becomes fitted to its environment.Adaptation is a kind of behavioral or physical characteristic.To learn more about adaptation, refer to: https://brainly.com/question/24425642
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Compare and contrast the three different types of passive transport: Diffusion, Osmosis, and Facilitated Diffusion.
Similarities:
Both move from a region of high concentration to a region of low concentration through a partially permeable membrane.
Differences:
Facilitated diffusion is for any small particles which can pass through a partially permeable membrane while osmosis is only for water molecules.
Final answer:
Diffusion, osmosis, and facilitated diffusion are three types of passive transport across a cell membrane.
Explanation:
Passive transport is a way that small molecules or ions move across the cell membrane without input of energy by the cell. The three main kinds of passive transport are diffusion, osmosis, and facilitated diffusion.
Diffusion is the movement of molecules from an area of high concentration to an area with a lower concentration.
Osmosis is the diffusion of water across a selectively permeable membrane.
Facilitated diffusion requires the assistance of proteins to move molecules across the cell membrane.
What describes the cell?
A.a bacterial cell with nucleus
B. An an animal with nucleus
C.an animal cell without nucleus
D.a bacterial call without nucleus
Animal cell with nucleus.
ExplanationThe picture shows a cell with a membrane-bound nucleus showing it as an animal or eukaryotic cell. The Nucleus of the eukaryotic cell contains a large amount of DNA in its nucleolus. In addition another membrane- bounded organelles can also be seen in this cell which the bacterial cell lacks.
Answer: Animal Cell with nucleus
Explanation: The picture shows a cell with a membrane-bound nucleus showing it as an animal or eukaryotic cell. The Nucleus of the eukaryotic cell contains a large amount of DNA in its nucleolus. In addition another membrane- bounded organelles can also be seen in this cell which the bacterial cell lacks.
The is an estimate of the fewest number of organisms a population needs to avoid extinction. This measurement will most likely if the number of offspring each female in the population produces increases. If the population's , this measurement will most likely increase.
Answer and Explanation:
1. Minimum viable population is the estimate of the fewest number of organisms a population needs to avoid extinction.
2. The measurement will most likely stay the same if the number of offspring each female in the population produces increases.
3. If the death rate increases, this measurement will most likely increase.
Clarification:
Least Feasible Populace:
Least practical populace is a biological edge that implies the base number of people needed to keep the species from going wiped out.
MVP decides populace preservation benchmarks.
MVP additionally helps in keeping a populace hereditarily assorted as a set number of people present restricted mating openings and accordingly restricted hereditary variety.
The minimum viable population (MVP) is the estimate of the fewest number of organisms a population needs to avoid extinction. The MVP increases with an increase in the number of offspring produced by each female. However, if the population's habitat declines, the MVP measurement will likely increase as the population faces more threats and risks of extinction.
Explanation:The minimum viable population (MVP) is an estimate of the fewest number of organisms a population needs to avoid extinction. The MVP measurement most likely increases if the number of offspring each female produces increases. This is because having more offspring increases the chances of population growth and survival. On the other hand, if the population's habitat is declining or there are ongoing losses of habitat, the MVP measurement will most likely increase as the population faces more threats and risks of extinction.
This is an evolutionary event in which population size is Radically reduced usually because of of a catastrophic event
Answer:
bottleneck effect
Explanation:
The bottleneck effect is an evolutionary event in which population size is radically reduced, usually due to a catastrophic event.
This effect occurs when sudden changes in the environment, such as natural disasters and habitat fragmentation, reduce the size of a population and hence genetic diversity. An example of this effect is what happened to the prairie grouse, a bird that lived on the grasslands of the state of Illinois, in the United States. The conversion of grasslands to crops and pastures throughout the nineteenth century drastically reduced their populations to less than 50 individuals in 1993. This also reduced genetic diversity and led to increased frequency of deleterious genes. Thus, compared to other populations of the species, egg hatching rates in Illinois capercaillie populations were much lower, below 50%.
HELP ME PLEASE
A cellular enzyme is effectively deactivated by an increase in temperature of 10°C. Which is the most likely mechanism of the deactivation?
A. The enzyme, which is a carbohydrate, breaks apart into glucose molecules.
B. The enzyme, which is a protein, breaks apart into individual amino acids.
C. The enzyme changes shape and is no longer able to bind the substrate.
D. The enzyme reacts with the substrate to produce side products.
The answer is; C
When the temperatures are increased, the protein structure is destabilized because the essential hydrogen bonds between amino acid residues that maintain the protein structure begin to be broken. This is called denaturing of the protein. The protein loses shape and the active site is distorted causing the enzyme to be unable to bind to its substrate.
The enzyme is most likely inactivated by a process known as denaturation, in which it changes shape due to a temperature increase and is unable to bind to its substrate. This explanation corresponds to option C.
Explanation:The increase in temperature is most likely causing the cellular enzyme to deactivate through a mechanism known as denaturation. In this process, which option C describes, the enzyme, a type of protein, changes its shape and is no longer able to bind to the substrate it normally interacts with. When an enzyme's shape changes in this way, its active site – the place where it interacts with its substrate – is often altered, preventing the enzyme from performing its function.
A crucial point here is that enzymes are not carbohydrates that can break down into glucose molecules (option A) or proteins that disintegrate into individual amino acids (option B) with a change in temperature. Also, enzymes do not typically react with substrates to produce side products (option D); instead, they act as catalysts to accelerate reactions between substrates without themselves altering.
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sulfur in a pure elemental state is most often found near active
Sulfur-containing ores include such sulfides as pyrite, galena, cinnabar, sphalerite, and chalcopyrite, as well as such sulfates as gypsum and barite or heavy spar.
Sulfur, in its pure elemental state, is most commonly found near active volcanic areas. It exists in nature as elemental deposits or as sulfides/sulfates of other elements. It plays a crucial role in the formation of proteins and in the sulfur cycle.
Explanation:Sulfur in a pure elemental state is typically found near active volcanic areas. Sulfur exists in nature as elemental deposits and also as sulfides of iron, zinc, lead, and copper, and sulfates of sodium, calcium, barium, and magnesium. Hydrogen sulfide is a common component of natural gas and is found in many volcanic gases. Sulfur is also a key component in many proteins and is essential for life.
A significant amount of sulfur also comes from hydrogen sulfide, which is recovered during the purification of natural gas. It exists in several allotropic forms, and its stable form at room temperature contains eight-membered rings. Therefore, the actual formula for sulfur is S8, but for simplicity, it is often represented as just S in chemical equations.
Sulfur is also an essential element for the macromolecules of living beings. Especially, as part of the amino acid cysteine, it aids in the formation of disulfide bonds within proteins which determine their 3-D folding patterns and hence their functions. In addition, sulfur plays an important role in the sulfur cycle, cycling between the oceans, land, and atmosphere.
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Which events contributed to life evolving on Earth? Check all that apply.
-Organisms began to photosynthesize.
-The surface cooled, and water condensed.
-Volcanoes added carbon dioxide to the atmosphere.
-Ozone formed and blocked ultraviolet rays from the Sun.
-Comets crashed into Earth, releasing water.
The answers that apply include;
Organisms began to photosynthesize.The surface cooled, and water condensedOzone formed and blocked ultraviolet rays from the SunWhen orgasms started to photosynthesize, they caused the great oxygenation event. This favored evolution of aerobic organisms on the surface of the earth.
When the earth cooled, water was able to exist in liquid form and settled in the basins where life could being to spur.
Ozone (largely formed during the oxygenation event) protected genetic material from damage by UV light hence life was able to evolve on the surface of the earth
The evolving of life on Earth is caused by ;
Organisms began to photosynthesize The surface cooled and water condensed Volcanoes added carbon dioxide to the atmosphere.Ozone formed and blocked ultraviolet rays from the sunThe earth was initially void with no light and oxygen, therefore most of the organisms that existed earlier on earth were anaerobic and did not produce their food through photosynthesis.
The evolution of life on earth started with organisms ( green plants and algae ) undergoing photosynthesis in the presence of light energy utilizing carbon dioxide added by the volcanoes and water from the atmosphere to produce their food .
The Ozone layer helps prevent violent ultraviolet rays from reaching the earth which encourages the evolving of life on earth overtime.
Hence we can conclude that The evolving of life on Earth is caused by ;Organisms began to photosynthesize, The surface cooled and water condensed, Ozone formed and blocked ultraviolet rays from the sun
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In which item is energy stored in the form of gravitational potential energy?
A.
a slice of bread
B.
a compressed spring
C.
an apple on a tree
D.
a stretched bow string
While working in a lab you drop an empty flask on the floor and it breaks what is the appropriate action to take
use gloves a towle clean it up. put it in a little bag and throw it away. gloves are so you don't damage your hands from the chemicals.
Final answer:
In the lab, after breaking a flask, notify your teacher, sweep up the broken glass if safe to do so, and dispose of it in the designated broken glass container. Safety protocols, including wearing closed-toe shoes and keeping the work area clean, should always be followed.
Explanation:
Appropriate Action After Breaking a Flask in the Lab
If you drop an empty flask on the floor and it breaks, the appropriate action is to immediately take steps to ensure everyone's safety and properly dispose of the broken glass. First, notify your teacher about the accident. Then, if given permission and it's safe to do so, use a broom and dustpan to sweep up the broken glass. Dispose of the glass in the designated broken glass container within the lab. It is crucial to always follow the safety protocols provided by your teacher to maintain a safe working environment. Additionally, wearing closed-toe shoes and avoiding loose clothing can help prevent accidents. Remember, you are responsible for your own safety and the safety of others in the laboratory.
As a general rule, keep your work area neat and clean to prevent incidents like this. And remember to never eat or drink in the laboratory, as this can lead to chemical exposure. In the case of any chemical spills, control the spill by first putting on personal protective equipment (PPE) and then follow the correct spill control procedures.
What is most likely to happen if an individual restricts consumption of dietary fat to very low levels? A. loss of hemoglobin from red blood cells B. development of atherosclerosis C. development of scurvy D. loss of insulation around vital organs
Correct answer: D) Loss of insulation around vital organs
Fat is a nutrient should be to be taken in the diet but not in excess amount, it provides energy and help the body to absorb the vitamins.
It consists of a hydrocarbon chain and served to provide the structural and functional unit of the cell. The cell membrane is made up of a phospholipid bilayer, which consists of phosphate and glycerol.
The main function played by the fat inside the body include the transformation of energy and providing heat insulation to the body.
The adipose tissue of the body act as an insulator. As it contains fat molecule, and fat is a poor conductor of the heat, it traps the heat across the vital organ of the body such as heart, eyes etc. Due to the bad conductivity, fat molecule act as an insulator. It also acts as a cushion for most of the important organ of the body and protects them from damage and mechanical injury.
Restricting dietary fat to very low levels is most likely to result in the development of atherosclerosis and loss of insulation around vital organs.
Explanation:If an individual restricts consumption of dietary fat to very low levels, the most likely to happen is the development of atherosclerosis, which is the build-up of plaque in the arteries. Dietary fat restriction can lead to an imbalance in lipid metabolism, causing an increase in LDL cholesterol and a decrease in HDL cholesterol. This can contribute to the formation of plaque and the development of atherosclerosis.
Restricting dietary fat to very low levels may also result in a loss of insulation around vital organs. Fat serves as a protective layer around organs, providing cushioning and insulation. Without sufficient dietary fat, this insulation can be diminished.
It is important to note that other health issues can arise from severely reducing dietary fat, but the development of atherosclerosis and loss of insulation around vital organs are the most likely outcomes in this scenario.
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Which statement best describes the amount of catalyst that remains at the end of a reaction?
The answer is the catalyst is consumed by the reaction, so none remains at the end of the reaction.
Catalysis is the increase in the rate of a chemical reaction due to the participation of an additional substance called a catalyst. With a catalyst, reactions occur faster and require less activation energy.
Answer: its option d
Explanation:
The most common map projections are based on three geometric shapes. Which of the following geometric shape is not one of the three geometric shapes
A geometric shape is the geometric information which remains when location, scale, orientation and reflection are removed from the description of a geometric object. ... Such shapes are called polygons and include triangles, squares, and pentagons.
The most common map projections are based on three geometric shapes: the cylinder, the cone, and the plane. The cylinder is used for Mercator projections, which distort sizes as latitude increases. Any shape other than these three is not commonly used for map projections.
Explanation:The most common map projections are based on three geometric shapes, which are: the cylinder, the cone, and the plane. Map projections like the Mercator projection are based on a cylinder, meaning they project the globe onto a cylinder so that all the latitude lines have the same length as the equator. However, since the Earth is spherical, such cylindrical projections lead to distortions, especially near the poles where the map becomes increasingly stretched.
These distortions explain why on a Mercator projection map, regions such as Greenland or Antarctica appear significantly larger than they actually are when compared to equatorial regions. Due to the variation in shape, there could be many misconceptions about the true size of continents. For example, the True Size comparison shows that the United States, China, and India could all fit within the actual area of Africa with room to spare, whereas a Mercator map may suggest differently.
It is important to note that while these three shapes are most commonly used for map projections, there are numerous other ways earth's surface can be represented, each with its own set of compromises. Therefore, the correct answer to the student's question is that any geometric shape not among the cylinder, cone, or plane is not one of the three commonly used shapes for map projections.
what happens during the first step in DNA replication?
The first step in DNA replication is the separation of the two DNA strands that make up the helix that is to be copied.
It starts when a protein starts the unwinding of the DNA helix. Next comes the separation of the DNA strands right before the transfer of genetic data to the newly assembled DNA strands starts. A protein known as helicase is what breaks down the hydrogen bonds between strands of DNA during replication.