Which of the following statements correctly answers how the large amount of genetic variation observed in prokaryotes arises? View Available Hint(s) The mutation rate in prokaryotes is much higher than in eukaryotes. They have extremely short generation times and large populations. They can exchange DNA with many types of prokaryotes by way of horizontal gene transfer. They have a relatively small genome. The second and third answers are correct.
Answers
The large amount of genetic variation observed in prokaryotes arises due to their extremely short generation times, large populations, and the ability to exchange DNA .
Prokaryotes, which include bacteria and archaea, exhibit high genetic variation due to several factors. Firstly, they have extremely short generation times, allowing for rapid replication and accumulation of genetic mutations. This high mutation rate contributes to the generation of new genetic variants within a population. Secondly, prokaryotes have large population sizes, providing a diverse pool of individuals in which genetic variations can arise and be maintained. With larger populations, the chances of different genetic combinations occurring and persisting are increased.
Furthermore, prokaryotes possess the ability to engage in horizontal gene transfer (HGT), which involves the exchange of genetic material between different prokaryotic cells. Through mechanisms like conjugation, transformation, and transduction, prokaryotes can acquire genes from other prokaryotes, including those from different species or even domains. This horizontal transfer of DNA enables prokaryotes to rapidly acquire new genetic material and incorporate it into their genomes, leading to increased genetic diversity.
In summary, the large amount of genetic variation observed in prokaryotes is a result of their short generation times, large populations, and the ability to exchange DNA through horizontal gene transfer. These factors contribute to the rapid generation and spread of genetic variants within prokaryotic populations.
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Related Questions
i already know those answers but i need help on this 1 True or False-- Siblings (brothers and sisters) may or may not have the same combination of traits.
Answers
Answer:
answer me pls
Explanation:
(Im in 4th but.. I need to ask this question.) The exchange of oxygen and carbon dioxide between plants and animals is called?
A.Photosynthesis?
B. Carbon dioxide-oxygen cycle?
C. Life cycle?
D. Pollination?
Answers
Answer:
B
Explanation:
A is making oxygen
C is life and death
D is making plants grow
Answer:
b because i did this like last week and i still Remember
Explanation:
drag each label to the appropriate position to identify whether the label is referring to properties of the respiratory or renal compensation mechanism for acid-base balance.
Answers
The respiratory and renal systems are both involved in maintaining the acid-base balance of the body. The respiratory system regulates the blood levels of carbonic acid by controlling the exhalation of CO2, while the renal system regulates the blood levels of bicarbonate by reabsorbing or excreting it. The following labels refer to properties of either the respiratory or the renal compensation mechanism for acid-base balance:
- Respiratory: changes pH within minutes, involves carbonic acid and CO2, responds to changes in plasma bicarbonate- Renal: changes pH within hours or days, involves bicarbonate and H+, responds to changes in plasma carbonic acidAbout RenalRenal is a vital organ in the body that functions as an excretory organ in the body that is shaped like a bean and is located behind the stomach or abdomen. The kidneys are located to the right and left of the spine, below the liver and spleen.
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The respiratory and renal systems are both critical in maintaining the acid-base balance in the human body. The respiratory system involves lungs and is responsible for acid-base compensation through changing ventilation. On the other hand, the renal system involves kidneys and is responsible for acid-base compensation through changing the rate of hydrogen and bicarbonate ion secretion, reabsorption, and regeneration.
Let's identify the properties of the respiratory or renal compensation mechanism for acid-base balance,Drag LabelRespiratory Compensation Renal CompensationThe mechanism is rapid and short-lived.Label AThe mechanism takes hours to days but is more potent and longer-lasting.Label BThe mechanism can't restore pH to the normal range.Label AThe mechanism restores pH to the normal range by excreting H+ and retaining bicarbonate ions.Label BRespiratory compensation mechanism quickly reduces excess carbon dioxide or CO2.Label AThe renal compensation mechanism acts to reabsorb bicarbonate and excrete H+ to restore blood pH.
Label BIn conclusion, the Respiratory and Renal Compensation Mechanism is used by the human body to maintain the acid-base balance. The respiratory system includes the lungs, and the renal system includes the kidneys. The respiratory system is responsible for rapid and short-lived compensation, whereas the renal system takes longer but is more potent.
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Cladograms are scientific hypotheses that can be overturned by new data. True False Angiosperm plants did not appear until after the extinction of the dinosaurs. True False The definition of an analogous character is "a character that has a similar function to a character in a different organism, but these similarities are due to different evolutionary origins". True False In evolution, non-genetic changes that occur during an organism's life span, such as increases in muscle mass due to exercise and diet, cannot be passed on to the next generation. True False The definition of a monophyletic group is "a group of organisms that has a single ancestor and contains only some of the descendants of this unique ancestor". True False An ichnofossil is any part of the hard skeleton left behind by a vertebrate in the fossil record. True False
Answers
An ichnofossil is any part of the hard skeleton left behind by a vertebrate in the fossil record. This statement is false. An ichnofossil is a trace fossil, which is any indirect evidence of past life, such as tracks, burrows, and feces. It is not part of the hard skeleton left behind by a vertebrate.
Cladograms are scientific hypotheses that can be overturned by new data. This statement is true. Cladograms are diagrams that show the evolutionary relationship between organisms based on various traits. New data can cause changes to be made to cladograms which can result in a change to the interpretation of the evolutionary history of organisms.
Angiosperm plants did not appear until after the extinction of the dinosaurs. This statement is false. Angiosperms, also known as flowering plants, appeared in the fossil record at least 140 million years ago. Although the dinosaurs went extinct around 66 million years ago, angiosperms were already widespread and diversifying by that time.
The definition of an analogous character is "a character that has a similar function to a character in a different organism, but these similarities are due to different evolutionary origins". This statement is true. Analogous characters are traits that have evolved independently in different groups of organisms due to similar environmental pressures and not due to a shared ancestor.
In evolution, non-genetic changes that occur during an organism's life span, such as increases in muscle mass due to exercise and diet, cannot be passed on to the next generation. This statement is true. Non-genetic changes that occur during an organism's life span are not heritable and cannot be passed on to the next generation. Only genetic changes that occur in the germ cells, such as mutations, can be passed on to the offspring.
The definition of a monophyletic group is "a group of organisms that has a single ancestor and contains only some of the descendants of this unique ancestor". This statement is false. A monophyletic group is a group of organisms that has a single ancestor and contains all of the descendants of this unique ancestor. This group is also called a clade.
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Animals can spread disease to:_____.
a. humans b. only animals of the same species c. only other animals
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Animals can spread disease to b. only animals of the same species.
Animal illnesses may be unfold with the aid of using five important routes of transmission: direct touch; inhalation of aerosols; ingestion; oblique switch with the aid of using fomites, inclusive of equipment, shoes or vehicles; or vector transmission. Direct touch is one of the important techniques of ailment unfold among animals. Living extra intently to people and being extra intently genetically associated with people extended the percentages of transmission. Out of all of the species assessed, bats carried the very best quantity of those viruses. There are sorts of touch transmission: direct and oblique. Direct touch transmission happens whilst there may be bodily touch among an inflamed individual and a prone individual. Indirect touch transmission happens whilst there may be no direct human-to-human touch.
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Describe how new hair fibers are formed
Answers
Answer:
Taking nutrients from the dermal papilla, the hair bulb generates new hair cells. As these cells move up through the hair root, they mature through a process called keratinization, fill with fibrous protein and lose their nucleus.
Explanation:
I found this on the internet and don't know if it is correct but if it is can I get a brainliest please?
Don't spam..
effect of osmosis on cells....
Answers
Explanation:
Effect of Osmosis on CellsOsmosis affects the cells differently. An animal cell will lyse when placed in a hypotonic solution compared to a plant cell. The plant cell has thick walls and requires more water. The cells will not burst when placed in a hypotonic solution. In fact, a hypotonic solution is ideal for a plant cell.
An animal cell survives only in an isotonic solution. In an isotonic solution, the plant cells are no longer turgid and the leaves of the plant droop.
The osmotic flow can be stopped or reversed, also called reverse osmosis, by exerting an external pressure to the sides of the solute. The minimum pressure required to stop the solvent transfer is called the osmotic pressure.
#it is correct, please don't report
Effects of osmosis on cells
Red blood cells placed in a solution with the same water concentration as their cytoplasm (0.85 per cent salt solution) will not experience an overall change in volume. No osmosis occurs.Red blood cells placed in a solution with a higher water concentration compared to their contents (eg pure water) will gain water by osmosis, swell up and burst.Water will diffuse from a higher water concentration outside the cell to a lower water concentration inside the cell.Red blood cells placed in a solution with a lower water concentration compared to their contents (eg 1.7 per cent salt solution) will lose water by osmosis and shrink.Water will diffuse from a higher water concentration inside the cell to a lower water concentration outside the cell.An ecosystem consists of
O energy.
O the soil, water, and weather.
O a community of organisms.
o all of these are components of an ecosystem.
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Answer:
all of these are components
If we divide a drop into smaller and smaller parts, what will be the smallest particle that can be obtained and that will continue to be water?
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If it hits a single atom, a "product" can be broken. But only until it is a single molecule will a "molecule" be separated. Of starters, oxygen, H2O, always appears like oxygen in millions. But if you split it into smaller and lesser parts, say half, you can divide it only until you get 2 hydrogen and 1 oxygen. It's no longer water if you divide it further. It's going to be another matter.
Hope this helps!
Question 5 of 5
Which thermoregulation strategy helped the hummingbird decrease its body
temperature?
A. Resting in the shade
B. Flying
C. Basking in the sun
D. Eating
Answers
Answer: A
Explanation:
Answer:
A, Resting in the shade
Explanation:
100% Correct, A p e x
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(For this question, yellow is dominant and blue is recessive). What will the plants with YY and Yy look like? PLEASE HELP ASAP!!!
A. Cannot be determined
B. They will be different
C. Both the same
Answers
Answer:
C
Explanation:
Deep sea ocean ecosystems in the region of hydrothermal vents typically have much higher biomass with greater presence of larger eukaryotic organisms than other deep sea ecosystems. Which of the following is most responsible for this difference? A.) temperature differences B.) greater O2 content in regions around hydrothermal vents C.) pressure differences D.)much greater numbers of photosynthetic organisms E.) presence of substantial amounts of highly reduced inorganic compounds and methane
Answers
Deep-sea ocean ecosystems in the region of hydrothermal vents typically have much higher biomass with a greater presence of larger eukaryotic organisms than other deep-sea ecosystems due to the presence of substantial amounts of highly reduced inorganic compounds and methane (Option E).
What are deep-sea ecosystems?The expression deep-sea ecosystem is used to denote certain biomes which are relatively independent of the level of sunlight energy provided by the sun and the presence of photosynthetic species.
Therefore, with this data, we can see that deep-sea ecosystems are able to survive in absence of sunlight and therefore the biomass in these ecosystems is associated with the presence of highly reduced inorganic compounds as well as methane.
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What structures do Fish Embryo Cell has? Which should I pick? Mitochondria, Nucelus, Chloroplasts, Cell Wall, and Cell Membrane?
Answers
Answer:
Fish Embryo Cell has Mitochondria, Nucleus, Cell Membrane, and cytoplasm, but it does not have Chloroplasts or Cell Wall.
Explanation:
A fish embryo cell is a type of eukaryotic cell, which means it has a true nucleus and membrane-bound organelles. The main structural components of a fish embryo cell include:
Mitochondria: These are organelles that generate energy for the cell through cellular respiration.
Nucleus: This is the "control center" of the cell, containing the cell's genetic information in the form of DNA.
Cell membrane: This is a selectively permeable barrier that surrounds the cell and controls the movement of molecules in and out of the cell.
Cytoplasm: This is the gel-like substance that fills the cell and contains the organelles.
Fish embryo cells, like all animal cells, do not have chloroplasts or cell walls. Chloroplasts are unique to plants and algae, which are responsible for photosynthesis, the process of converting light energy into chemical energy. Cell walls are present only in plant cells, fungi and some protists, which provide structure and protection to the cell.
FILL THE BLANK. To lift heavy loads, all chain hoists use an ____. Gear system.
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To lift heavy loads, all chain hoists use an internal gear system.
A chain hoist is a mechanical device that is used to lift heavy objects by suspending them from a hook or other lifting attachment. Chain hoists typically consist of a chain, a lifting hook, and a mechanical system that allows the chain to be pulled and lifted. In many chain hoists, this mechanical system includes an internal gear system that allows the chain to be lifted with relatively little effort on the part of the operator. The gear system typically includes one or more sets of gears that are arranged to multiply the force applied to the chain, making it easier to lift heavy loads. Hence to lift heavy loads, all chain hoists use an internal gear system.
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Chain hoists use a gear system to lift heavy loads by multiplying the force applied.
Explanation:To lift heavy loads, all chain hoists use an gear system. A gear system consists of multiple gears with different sizes, allowing mechanical advantage by altering the force and speed of the input. In the case of chain hoists, the gear system helps to multiply the force applied, making it easier to lift heavy loads.
In the specific context of chain hoists, this gear system plays a pivotal role in multiplying the applied force, effectively making it more manageable to lift and transport heavy loads. By harnessing the principles of mechanical advantage through gears, chain hoists enhance the efficiency and safety of lifting operations in various industrial and commercial settings.
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Crop rotation is a planned order of specific crops planted on the same field. Crop rotation means that succeeding crops are of adifferent genus and species. Examples are row crops planted after small grains or grain crops after legumes. The planned rotationmay be for a two- or three-year period.What is a LIKELY ecological impact of crop rotation?A) The main crop becomes resistant to pests.B) It can interrupt the life cycles of certain pests.C) Lesser amounts of nitrogen are needed in the soilD) It ensures the presence of a single type of nutrient in the soilPlease select the correct answer choice.
Answers
A likely ecological impact of crop rotation is that it ensures the presence of a single type of nutrient in the soil. (option D)
A student outlined the following steps of the lytic cycle of bacteriophage infection of bacterial cells:
1. Virus lands on host cell.
2. Virus injects the capsid containing its DNA into the cell.
3. Viral DNA is used by bacteria to make vinis parts.
4. New viruses are assembled in the bacterial cell.
Answers
HELP I’LL GIVE BRAINLIEST!!
• State your name and provide one reaction to the article "Orsted Speaks on
Environmental Racism."
List one possible solution for protecting your community against harmful
environmental effects. State whether the solution would be enacted at the local
or national level and who would be involved in implementing it.
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My name is Milda Hills. One response to the article "Orsted Talks on Natural Bigotry" is stun and concern around the unbalanced affect of natural hurt on marginalized communities.
What is Environmental Racism?One conceivable arrangement for securing communities against destructive natural impacts is to set up community-led natural observing programs.
This might include enabling neighborhood residents to screen discuss quality, water contamination, and other natural markers in their communities utilizing logical devices and strategies. This arrangement would likely be ordered at the neighborhood level, including community individuals, nearby organizations, and natural offices.
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What would an organism need to do to release energy
from a carbohydrate, a lipid, or a protein? What two
elements are involved?
Answers
Organism needs enzymes in order to release energy from carbohydrate, a lipid, or a protein.
Amylase is the enzyme which is responsible for the breakdown of carbohydrates secreted by salivary glands. Pepsin, trypsin and chymotrypsin are the enzymes responsible for the digestion of proteins while on the other hand, lipase is the enzyme that is responsible for the digestion of fats in the body so we can conclude that enzymes are required by the organism for the release of energy.
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an organism has a haloed number of 20. what is the organism's diploid number?
Answers
Answer:
The organism's diploid number is 40.
Explanation:
Haloed means half and Diploid means double of half. So in this case if it's haloed is 20, 20*2=40. The diploid number is 40.
3.To What order do dolphins belong?
A.Carnivora
B.Sirenia
C.Cetacea
D.Pinnededia
Answers
Answer:
Cetacean
Explanation:
Let us start with the family Delphinade which is the largest in the Cetacean order, and relatively recent: dolphins evolved about ten million years ago, during the Miocene. Dolphins are among the most intelligent animals and their often-friendly appearance and seemingly playful attitude have made them popular in past and current human culture.
A bow string can accelerate a 1 kg arrow from a speed of 0 m/s to a speed of 60 m/s.
A)What is the kinetic energy at the beginning? (2points)
B)What is the kinetic energy at the end? (2points)
C)How much work is performed by the string on the arrow? (2points)
Answers
A) The kinetic energy of the arrow at the beginning is 0 Joules.
B) The kinetic energy of the arrow at the end is 1800 Joules.
C) The work performed by the string on the arrow is 1800 Joules.
A) At the beginning, the arrow is at rest, so its initial kinetic energy is 0 Joules. Kinetic energy is given by the equation KE = 0.5 * mass * velocity², and since the velocity is 0 m/s, the initial kinetic energy is 0.
B) At the end, the arrow reaches a speed of 60 m/s. We can calculate the kinetic energy using the same formula, substituting the mass (1 kg) and the final velocity (60 m/s):
KE = 0.5 * 1 kg * (60 m/s)² = 1800 Joules.
C) The work performed by the string on the arrow is equal to the change in kinetic energy. Since the initial kinetic energy is 0 Joules and the final kinetic energy is 1800 Joules, the work performed by the string is 1800 Joules. This work is done to accelerate the arrow from rest to a speed of 60 m/s.
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how to find the communicator parts in animal crossing
Answers
Answer:
Each communicator part is located somewhere on the various beaches of your island. You'll know if you're near one, because a small jet of water will emerge from the sand. To find all five communicator parts, simply walk up and down the beaches of your isle, digging up every spot that has water emerging from it
All stars shine equally.
Answers
Answer:
it's false
Explanation:
Write one scientific question about the organism in the photo.
Answers
Answer:
What is the best amount of sunlight for this plant to get?
How would different amounts of water affect these plants growth?
Passive transport, such as osmosis and facilitated diffusion, ________
require energy. (does/does not)
Answers
Answer:
I think the answer (does not).
Explanation:
I hope this helps.
Here´s more to the answer:
Passive transport is a naturally occurring phenomenon and does not require the cell to expend energy to accomplish the movement.
what does it mean to say that a person is a heterozygous carrier for a genetic disease
Answers
Say a disease has two alleles, A and a. “A” is dominant, and a person with even just one A would not display disease symptoms. “a” is recessive, and a person would two copies to develop the disease. A carrier would be the heterozygote, Aa. This person is considered a carrier because, while they do not have the disease themselves, they “carry” the ability to pass on the disease to their children if they have children with a person who is Aa or aa.
Hope this helps! Drawing some punnet squares of crosses between Aa x aa and Aa x Aa and looking at the occurrence of aa offspring may help as well.
You and your brother are pushing a car with a dead
battery with forces of 20 N and 25 N in the same
direction. What is the resultant force applied on the
car?
Answers
Answer:
45 N
Explanation:
Add the forces together if they are going in the same directions.
20 N+25 N=45 N
The serous membrane is a double-layered membrane created by two separate membranes. True or false?.
Answers
The given statement "The serous membrane is a double-layered membrane created by two separate membranes" is True
This because?A cavity holding serous fluid separates the two serous membrane layers. This fluid permits organs to move freely across cavity walls including one another while performing their usual duties. The serous membrane is a two-layered membrane made up of two distinct membranes.
Which of the two serous membrane layers?Each serous membrane is made up of a secretory epithelium layer on top and just a connective tissue layer on the bottom. The mesothelium epithelial layer is made up of a single layer comprising avascular flat nucleated cells (simple squamous epithelium) which it create the lubricating serous fluid.
Why is the serous membrane two layers thick?In general, the serous membrane forms an airtight seal surrounding the bodily cavity. The mesothelium cells generate glycosaminoglycans and other lubricating compounds. Because of the small layer of fluid here between two distinct membranes, the two mesothelium layers can easily glide across each other.
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when a substance or organism is structurally altered it has been ____________, which usually results in its death.
Answers
when a substance or organism is structurally altered it has been damage which usually results in its death.
An organism is a living entity that can carry out various life processes, such as reproduction, metabolism, and response to stimuli. Organisms can range in complexity from single-celled microorganisms to multicellular plants and animals.
All organisms are composed of cells, which are the basic unit of life. Cells carry out the fundamental processes necessary for life, including energy production, DNA replication, and protein synthesis. Organisms can also interact with their environment, responding to changes in their surroundings and adapting to new conditions over time.
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When three-sectioning the facial area, the middle or second section includes:
a. the forehead
b. the tip of the nose to the tip of the chin
c. the front hairline to the middle of the eyebrows
d. the middle of the eyebrows to the tip of the nose
Answers
The middle or second section when three-sectioning the facial area includes: b. the tip of the nose to the tip of the chin.
How is the facial area three-sectioned?
When dividing the facial area into three sections, the middle or second section includes the area between the tip of the nose and the tip of the chin.
This section is often used as a reference point for various beauty and grooming techniques, such as applying makeup or shaving. The other two sections include the forehead and the top of the head, and the lower part of the face, respectively.
This method is commonly used in the beauty and skincare industry, as well as in medicine and plastic surgery. It is important to identify the correct section when performing various procedures to ensure the desired outcome and to avoid any potential complications.
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