which of the following statements are true about dna replication in eukaryotes? select all that apply. a. replication of the entire genome takes about ten minutes. b. a replication fork occurs at each growing point of the replicating chromosome(s) c. eukaryotes have many different chromosomes, with replication occurring in each at the same time d. replication occurs at the rate of about 500-5000 base pairs per minute e. multiple sites of replication are present on each chromosome
Answers
True statements
b. a replication fork occurs at each growth point of the replicating chromosome;
During DNA replication, a double-stranded DNA helix unwinds and splits into two single strands, creating a replication fork. A replication fork is the point at which two DNA strands are separated and a new strand is synthesized.
c. Eukaryotes have many different chromosomes, and each replicates simultaneously.
Eukaryotes have multiple chromosomes and replication occurs in all of them simultaneously.
d. replication occurs at a rate of approximately 500-5000 base pairs per minute.
The rate of DNA replication in eukaryotes is typically 500-5000 base pairs per minute.
e. each chromosome has multiple sites of replication.
DNA replication occurs at multiple sites on each chromosome called origins of replication. These origins are where the replication process begins and are distributed along the chromosome to allow efficient whole-genome replication.
False statements
a. Whole genome replication takes about 10 minutes.
Replication of an entire eukaryotic genome can take hours to days, depending on the size of the genome and the particular organism.
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Related Questions
Science, Society, and Technology
Answers
[PLATO] Drag the tiles to the correct boxes to complete the pairs.
Match the correct type of job to its description.
1. nutritionist
2. food production supervisor
3. golf course superintendent
4. horticulturist
1a. manages clubhouse grounds and landscapes them
2a. assists with the growth, distribution, and selling of plants
3a. advises on selecting healthy meals for a balanced diet
4a. coordinates the manufacturing processes of food
![[PLATO] Drag the tiles to the correct boxes to complete the pairs.Match the correct type of job to its](https://i5t5.c14.e2-1.dev/h-images-qa/contents/attachments/RuxJC0jqgc6BczxkGM6jcXr5ETeodD28.png)
Answers
Answer:
Nutritionist- Advises on selecting healthy meals for a balanced diet
Food production supervisor- coordinates the manufacturing processes of food.
golf course superintendent- manages clubhouse ground and landscapes them
horticulturist- assists with the growing, distribution, and selling of plants.
Explanation:
i got a 100
A species of plant lives in the habitat of large leaf-eating herbivores, such as deer. How may it leaves become adapted to help the species survive?
Answers
They have leaves with thorns or leaves that have been modified to contain thorns. Additionally, they feature large, bulky leaves that are used to store reserpine or other alkaline compounds like latex.
Are humans a species?The billions of individuals that currently inhabit the earth are all descendants of one species, Homo sapiens. Just like other animals, humans vary among themselves in terms from everything from height and looks to skin tone and eye color. But by a significant percentage, our commonalities outweigh our differences.
What are the names of common species?Most evolutionary scientists make the distinction between one species and another based on effort to start: if two individuals of a different species marry, the offspring are frequently sterile, unviable, or have some other decreased fitness.
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Name three reasons why the atmosphere is important to life on earth and explain your reasoning.
Answers
The atmosphere ensures that all living things can carry out daily processes that are vital to survival, such as breathing. Photosynthesis, for example, could not be possible without an atmosphere, because all of the gasses in our atmosphere stay there due to Earth's gravity.
The atmosphere is vital because it plays a role in the water cycle as well, allowing rain to keep falling and giving life-giving water to organisms that need it.
Life would not be possible without an atmosphere on this planet, along with other vital things, like gravity, sunlight, and water.
Conservation biology and land conservation are related, but they are not identical. Which of the following would directly concern a land conservationist? (4 points)
I. blocking access to a sensitive forest tract for all activities
II. assessing annually the number of new seedlings of an endangered tree species
III. replanting native species on a landfill site
Answers
A land conservationist would be directly concerned with blocking access to a sensitive forest tract for all activities. This is because land conservationists focus on protecting and preserving natural areas and ecosystems. By preventing any human activity in a sensitive forest tract, a land conservationist can ensure that the area remains undisturbed and the ecosystem stays intact.
While assessing the number of new seedlings of an endangered tree species and replanting native species on a landfill site are important conservation efforts, they are not directly related to land conservation.
Conservation biology and land conservation are related but not identical.
A land conservationist would be directly concerned with the following actions: blocking access to a sensitive forest tract for all activities (I), assessing annually the number of new seedlings of an endangered tree species (II), and replanting native species on a landfill site (III). These actions focus on preserving and maintaining the land and its ecosystems, which are essential aspects of land conservation.
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Henry mixed salt and water together in a cup until he observed a clear solution. He measured the mass of the solution. Then he placed the cup outside for several sunny days during the summer. After a week, he observed that only solid salt remained in the cup and the mass had decreased. Henry concluded that a physical and chemical change occurred in this investigation.
Which statements correctly defend or dispute his conclusion?
He is correct. Dissolving salt in water is a physical change, but evaporating the water is a chemical change. Formation of a solid is evidence that a chemical change occurred.
He is correct. Evaporation is a physical change, but dissolving salt in water is a chemical change. The change in mass is evidence that a chemical change occurred.
He is incorrect. Dissolving salt in water and evaporation of the water are both physical changes. The reappearance of salt is evidence that the change was reversible by a physical change, so it could not be a chemical change.
He is incorrect. Dissolving salt in water and evaporation of the water are both chemical changes. The reappearance of salt is evidence that the change was reversible by a chemical change, so it could not be a physical change.
Answers
The statement "He is incorrect. Dissolving salt in water and evaporation of the water are both physical changes. The reappearance of salt is evidence that the change was reversible by a physical change, so it could not be a chemical change" is the correct statement that disputes Henry's conclusion. Dissolving salt in water is a physical change because the chemical identity of salt and water are not altered, and the change is reversible. Similarly, evaporation of water is also a physical change, and the change in mass is due to the loss of water molecules, not a chemical reaction. Therefore, the reappearance of salt is evidence of a physical change, not a chemical change.
The endothelial cells found closest to the site of an infection, express proteins called lectins. Each lectin binds to a particular that is presented on the surface of a target cell.
a. aminophospholipid
b. oligosaccharide
c. polysaccharide
d. sphingolipid
Answers
The proteins called lectins, expressed by endothelial cells near the site of infection, bind to particular (b) oligosaccharides presented on the surface of a target cell.
Option (b) is correct.
Lectins are a type of protein that can recognize and bind to specific carbohydrate structures. In the context of the immune response to infection, lectins expressed by endothelial cells play a role in the recognition and binding of pathogens or infected cells.
Oligosaccharides are short chains of sugar molecules, and they are commonly found on the surface of cells. By binding to specific oligosaccharides on the target cell's surface, lectins facilitate immune recognition and activation of various immune responses, such as phagocytosis or cell-mediated cytotoxicity.
This recognition is a key step in the immune system's ability to identify and eliminate foreign pathogens. The specific binding between lectins and oligosaccharides contributes to the targeting and clearance of infected cells, aiding in the immune response against infections.
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15. What is it called when all parts of a solution have reached an equalconcentration?A. hypertonicB. hypotonicC. equilibrium
Answers
Solutions
In biology, a solution can be described according to its relationship with its external medium and the concentrations of solutes between the both of them:
-An hypertonic solution is one that has a higher concentration of the solute than its external medium.
-An hypotonic solution has a lower concentration of the solute than its external medium.
-A solution that is in equilibrium with its external medium is the one that has the same concentration of the solute as it.
which of these measurements would not be used to measure relative distance?
A. Hours
B. Effort
C. Dollars
D. Miles
E. Minutes
Answers
Answer:
The answer to this is D. Miles
The shape of the cell changes in_______
(a) bacteria
(b) virus
(c) Amoeba
(d) Euglena
Pleeeeease help
Answers
Answer:
Its Euglena
Explanation:
Shape change from normal elongated egg-shape to round-shape in stressful environment. These shape changes attain two transition phases. The I-transition phase is reversible where the organism can return to normal if favourable environment persists.
Please Hurry WILL GIVE BRAINLIST
An example of sunlight passing through clouds during sunset, results in what is often called the cloud's silver lining. Pastel shades of blue, pink, purple, and green can be observed at times of cloud cover. What is the cause of these patterns in the sky?
Responses
Water in the atmosphere and within the clouds themselves cause light waves to refract and reflect, creating an assortment of colors.
Water in the atmosphere and within the clouds themselves cause light waves to refract and reflect, creating an assortment of colors., EndFragment,
The patterns occur when light is diffracted from water droplets within the clouds. The amount of diffraction that occurs depends on the wavelength of the light, and shorter wavelengths are diffracted at a greater angle than longer ones.
The patterns occur when light is diffracted from water droplets within the clouds. The amount of diffraction that occurs depends on the wavelength of the light, and shorter wavelengths are diffracted at a greater angle than longer ones.
StartFragment, The patterns occur when light is diffracted from water droplets within the clouds. The amount of diffraction that occurs depends on the wavelength of the light, and shorter wavelengths are diffracted at a greater angle than longer ones., The patterns occur when light is diffracted from water droplets within the clouds. The amount of diffraction that occurs depends on the wavelength of the light, and shorter wavelengths are diffracted at a greater angle than longer ones., EndFragment, ,
The patterns occur when light is absorbed by water droplets within the clouds. The amount of absorption that occurs depends on the temperature of the air.
The patterns occur when light is absorbed by water droplets within the clouds. The amount of absorption that occurs depends on the temperature of the air., EndFragment,
The patterns occur when light is reflected from water droplets within the clouds. The amount of reflection that occurs depends on the wavelength of the light, and shorter wavelengths are reflected at a greater angle than longer ones.
Answers
The cause of the color patterns in the sky is when light is diffracted from water droplets within the clouds, the amount of diffraction that occurs depends on the wavelength of the light, and shorter wavelengths are diffracted at a greater angle than longer ones which is therefore denoted as option D.
What is Diffraction?This is a term which is described as the process of light bending around an obstacle or spreading out after it moves through a small or tiny space.
We should also be aware that it is dependent on the wavelength of the light such that those with a shorter wavelengths are usually diffracted at a greater angle than longer ones which is therefore the reason why the color pattern is observed in the sky and is therefore the reason why it was chosen as the correct answer.
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Which organs are responsible for producing fluid to give sperm nourishment and motility?
Answers
Answer:
vast deferens tested seminal vesicles prostate gland
What makes all of the samples different from each other?
Answers
Stroke volume increases with cardiovascular training because of the increased ______ of the _______ wall.
Answers
Stroke volume increases with cardiovascular training because of the increased Contractility of the heart wall.
What is stroke volume ?The volume of blood that is pumped out of the left ventricle of the heart during each systolic cardiac contraction is the definition of what is referred to as stroke volume.
There are three factors that go into calculating the stroke volume index: Preload refers to the pressure that the heart experiences as it fills with blood at the end of diastole. Contractility refers to the natural force with which the heart's muscles contract during the systole phase of the cardiac cycle. Afterload refers to the force that the heart must overcome in order to pump blood out of the body during systole.
Thus, Stroke volume increases with cardiovascular training because of the increased contractility of the heart wall.
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What is a significant benefit of studying fossils?
Answers
EXTRA POINTS **
If the box is moving 35 m/s right, what will happen to the box’s speed if the following forces are applied? 6 N→⬛ 8N ←
Answers
Answer: i think the force will be a little smaller and the other force pulling left will be 0
Explanation:
Where can you visit the revolutionary war camp site of valley forge?.
Answers
The Valley Forge was the site where the Continental Army under the leadership of George Washington camped during the winter of 1777-78. It was a pivotal moment in the American Revolution as the army faced severe hardships, yet they persevered, leading to their eventual victory.
If you are interested in visiting the Revolutionary War camp site of Valley Forge, there are a number of places you can visit:
1. Valley Forge National Historical Park:
This park is the primary site where you can visit the camp site of Valley Forge. The park has a visitor center with exhibits that tell the story of the Continental Army's encampment and the hardships they faced. There are also trails that take you through the encampment area and the surrounding countryside.
2. Washington's Headquarters:
This is a building in the park where George Washington and his staff worked during the winter encampment. The building has been restored and furnished with period furniture, so you can get a sense of what it was like for Washington to work and live in the building.
3. Washington Memorial Chapel:
This chapel is located just outside the park and was built to honor George Washington. It has stained glass windows that depict scenes from his life, as well as a carillon that plays music throughout the day.
4. Other Sites:
There are a number of other sites in the area that are related to the Revolutionary War and the encampment at Valley Forge. These include the Paoli Battlefield, the King of Prussia Mall (which is located on the site of a Revolutionary War battle), and the Peter Wentz Farmstead.
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Without the Sun, there would be no life on Earth. This is because the Sun is the major source of all
on Earth.
A)
energy
B)
flares
C
heat
D)
sunfish
Answers
Answer:
A
Explanation:
a scientific explanation that is tentative and testable is termed a/an:
Answers
A scientific explanation that is tentative and testable is termed as a hypothesis.
A scientific explanation is an explanation of some aspect of the natural world that can be continuously tested and verified by utilizing the scientific method. Scientific explanations use empirical data, and observations to back up their reasoning. They must be proven to be true or false through testing and experimentation. They are testable and measurable. They must also be repeatable so that other scientists can execute the same experiment in order to obtain the same results.
A hypothesis is an assumption or a proposed or possible explanation for some phenomenon that is testable and falsifiable made on grounds of limited evidence as a starting point for further investigation. A hypothesis has to be testable to be scientific. A tentative scientific explanation is called a hypothesis. The most straightforward definition of a hypothesis is an idea or a tentative explanation for an observed phenomenon that can be tested through experimentation or observation. It is an educated guess based on observation, previous knowledge, and research. A hypothesis must be falsifiable, meaning that it can be tested and potentially proven false through experimentation or observation. It may be called a scientific hypothesis, though this is a somewhat ambiguous term. It can be considered as a tentative scientific explanation, which serves as a foundation for empirical testing.
In conclusion, a scientific explanation that is tentative and testable is termed a hypothesis.
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____is associated with deamination of protein
Answers
Answer:
Deamination is the removal of an amino group from a molecule
Deamination is associated with deamination of protein
Answer:
in humans , deamination takes place primarily in the liver, it can also occur in the kidney. if there's excess protein intake , deamination is used to break down proteins with amino acids for energyPLEASE HELP!! DNA mutations and cancer activity
Answers
Answer:
nosexd
xdxdxdxdxxdxdxdxdxdxdxxdxdxdxdxdxdxdxdxdxxddxdxdxdxdxdddxdxddxdxdxdxdxxxdxdxdxdxdxdxdxdxdxdxdxdxdxdxdxdxdxdxdxdxdxdxdxdxdxdxdxdxdxdxdxdxdxdxdxxd
xd
dx
dx
dxd
X
dx
xdxdddxxxddxdxdx
Explanation:
in redi's second experement, what was (a) the independant variable and what was (b) the dependant variable?
Answers
in redi's second experiment, the independent variable is presence of the gauze, or lack of it, while the dependent variable is appearance of maggots .
What are independent variable and independent variable?independent variable can be described as the variable that stands alone and whereby the other variables can not impact it when one is trying to measure. For instance someone's age is independent variable.
On the other hand ,dependent variable are variable that can not stand alone , hence in redi's second experiment, the independent variable is presence of the gauze, or lack of it, while the dependent variable is appearance of maggots .
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(PLEASR HELP ME)
Which of the following most accurately identifies the missing "?" in this points
rock cycle model?
Igneous
Magma
Metamorphic
Sedimentary
Answers
Answer:
I think Sedimentary
Explanation:
Period 6 2-25 What percent of offspring from two heterozygous parents will have the dominant phenotype? William Brown. Feb 24 100 points please help
Answers
Answer:
75%
Explanation:
If both parents are heterozygous (Ww), there is a 75% chance that any one of their offspring will have a widow's peak (see figure). A Punnett square can be used to determine all possible genotypic combinations in the parents. A pedigree that depicts a dominantly inherited trait has a few key distinctions.
Unique feature of osmosis is that
(1) energy is required
(2) it involves movement of solutes
(3) it occurs across membranes only
(4) it is seen only in animals
Answers
Answer:
I believe the answer is (3)
Explanation:
"Osmosis is a special type of diffusion, namely the diffusion of water across a semipermeable membrane"
"Osmosis only occurs with a semipermeable membrane"
Khan and sciencedirect
you are a marathon runner and need energy for tomorrow's race. how would eating pasta (and pie) help your body produce the energy it needs? Be sure to describe what will happen when you are running the race ( and breathing hard).
Answers
this answer i need pls ill mark brainliest
Answers
All - growth, exchange of gases, excretion, reproduction, and death (option d).
All living organisms undergo various life processes to maintain their existence. Let's analyze each option to determine which life processes are carried out by an organism's cells:
A. Only growth and exchange of gases: While cells are involved in growth and exchange of gases, they also participate in other life processes. This option is incomplete.
B. Only growth, exchange of gases, and reproduction: Cells play a crucial role in reproduction as they are responsible for the production of gametes and the process of cell division. However, there are additional life processes that cells also undertake.
C. Only growth, exchange of gases, excretion, and reproduction: This option includes excretion in addition to growth, exchange of gases, and reproduction. Cells participate in excretion by eliminating waste materials. However, there is one more life process that cells experience.
D. All - growth, exchange of gases, excretion, reproduction, and death: This option encompasses all the mentioned life processes. Cells are involved in growth as they undergo cell division and increase in number. They exchange gases through processes like respiration. Cells excrete waste products. They participate in reproduction through the formation of gametes and cell division. Lastly, cells also experience death as they have a limited lifespan.
Therefore, the correct answer is D. All - growth, exchange of gases, excretion, reproduction, and death.
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Mendel crossed two plants that were heterozygous for purple flower color. Which genotypes could he have used to represent the cross? PP ´ PP Pp ´ Pp pp ´ pp Pp ´ PP
Answers
Answer:
Pp and Pp
Explanation:
They are both heterozygous
I dont think the answer is in the options
Answer:
Pp ´ Pp
Explanation:
What happens to the rate of
photosynthesis as temperature
decreases?
A. The rate will stay the same.
B. The rate will decrease.
C. The rate will increase.
Answers
Answer:
c
Explanation:
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which clinical manifestation is indicative of the fluid and electrolyte imbalance associated with a parathyroidectomy?
Answers
Clinical manifestation that is indicative of fluid and electrolyte imbalance associated with parathyroidectomy is : hypocalcemia.
What is parathyroidectomy?Parathyroid glands are responsible for regulating the body's calcium and phosphate levels. In parathyroidectomy, one or more of these glands may be removed, leading to decrease in the production of parathyroid hormone (PTH) and disruption of body's calcium and phosphate balance.
Hypocalcemia, or low levels of calcium in the blood, is a common complication of parathyroidectomy. This can lead to symptoms like muscle cramps, spasms, and weakness and tingling or numbness in the fingers, toes, and lips. Other symptoms are fatigue, irritability, and depression.
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