Answer:
The last one does not happen meiosis create four genetically different haploid cells
Meiosis, on the other hand, creates four distinct daughter cells, each of which has half as many chromosomes as the parent cell. Thus, option D is correct.
What are the advantages of meiosis?Meiosis is crucial for three reasons: it promotes genetic diversity, sexual reproduction of diploid species, and the correction of genetic flaws.
A parent cell undergoes mitosis, which creates two identical daughter cells with the same number of chromosomes.
Genotypic diversity is produced, and appropriate homologous chromosomal segregation is ensured via meiotic crossing over.
Despite these functions, very little is known about the genetic and population genetic mechanisms that resulted in the evolution of species-specific variations in recombination rates.
Therefore, process of meiosis produces two genetically identical cells.
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Why was "interphase" given that name? What stage in your life would be comparable to
Interphase in a cell's life?
Answer:
"Interphase was formerly called "the resting phase,"
Explanation:
The cell in 'interphase' is not rather "resting" but preparing for later cell division.
How does the ozone layer affect life on Earth?
a.
causes respiratory illness
b.
increases photosynthesis in plants
c.
causes damage to living tissue
d.
filters out harmful ultraviolet radiation
(30 points!)
Answer:
(D) filters out harmful ultraviolet radiation
Explanation:
edg 2020
HELP PLS AND THANK YOU IM GETTING TIMED BRAINLIEST!!!
Awnser: When water freezes, thaws, and breaks up rocks.
How do cells with the same set of DNA become a wide variety of specialized cells?
Answer:
Cellular differentiation
Explanation:
I think this is it. In cellular differentiation a cell changes from one cell to another so this might have something to do with this
I need help on this too
Define the following types of sexual reproduction: Binary fission, budding. fragmentation, parthenogenesis
Answer:
Binary fission-Binary fission, asexual reproduction by a separation of the body into two new bodies. In the process of binary fission, an organism duplicates its genetic material, or deoxyribonucleic acid (DNA), and then divides into two parts (cytokinesis), with each new organism receiving one copy of DNA.
Budding-Budding is a type of asexual reproduction in which a new organism develops from an outgrowth or bud due to cell division at one particular site. The small bulb-like projection coming out from the yeast cell is called a bud.
Fragmentation-Fragmentation in multicellular organisms is a form of asexual reproduction in which an organism is split into fragments. Each of these fragments develop into matured organism, full grown individuals that are genetically and morphologically identical to their parents.
Parthenogenesis-
Parthenogenesis is a form of reproduction in which an egg can develop into an embryo without being fertilized by a sperm. Parthenogenesis is derived from the Greek words for “virgin birth,” and several insect species including aphids, bees, and ants are known to reproduce by parthenogenesis.
Explanation:
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Binary fission is defined as the process of asexual reproduction by a separation of the body into two new bodies. In the process of binary fission, an organism duplicates its genetic material, or deoxyribonucleic acid (DNA), and then divides into two parts (cytokinesis), with each new organism receiving one copy of DNA.
What is budding?Budding has been defined as type of asexual reproduction in which a new organism develops from an outgrowth or bud due to cell division at one particular site. The small bulb-like projection coming out from the yeast cell is called a bud.
Fragmentation has been defined as the in multicellular organisms is a form of asexual reproduction in which an organism is split into fragments. Each of these fragments develop into matured organism, full grown individuals that are genetically and morphologically identical to their parents.
Parthenogenesis has been defined as the form of reproduction in which an egg can develop into an embryo without being fertilized by a sperm. Parthenogenesis has been derived from the Greek words for pure and several insect species including aphids, bees, and ants are known to reproduce by parthenogenesis.
Therefore, Binary fission is defined as the process of asexual reproduction by a separation of the body into two new bodies.
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What is the slope of 2/3
Answer:
Using the slope-intercept form, the slope is 0 .
Explanation:
Hope this helps!! :)
Does anyone know this!?
Answer: The first one
Explanation:
How many strands do DNA molecules have
Answer:
Two strands
Explanation:
So each DNA molecule is made up of two strands, and there are four nucleotides present in DNA: A, C, T, and G. And each of the nucleotides on one side of the strand pairs with a specific nucleotide on the other side of the strand, and this makes up the double helix. I hope this helps.
what is the income source obtained from silk worm?
Answer:
silk
Explanation:
Which of the following is not a natural cause of extinction?
a.competition due to overpopulation
b.introduction of non-native species
c.catastrophic events
d.disease
Answer:
Introduction of Non-native species would be the answer. ( B )
Explanation:
Now let's break it down.
A. Competition due to overpopulation
Competition due to overpopulation, as competition of resources rises, species will fight among each other, and slowly, population will go down. But I don't see the reason of why it would cause an extinction... perhaps a decrease of population. See, once populations starts decreasing, resources will increase. And ONCE resources increase, populations starts increasing, and there goes competition. Resources decreases, populations decreases, and the whole process repeats. So I'm not quite sure whether it will cause extinction of a species.
B. Introduction of Non- native species.
So what does it mean by Non-native species?
It means that species that have no effect and doesn't exist in the ecosystem. So that will definitely not affect the population whatsoever.
C. Catastrophic Events
Well, common sense. Many people died of tsunamis, tornado and other natural disasters every year. Too many disasters can cause the population to cease.
D. Disease
This we can relate, especially the Coronavirus. Many humans died of the deadly virus. Same goes to animals. If a disease gets too deadly, population will decrease and drive the species to extinction.
So, the Answer would be B.
HOPE THIS ANSWER HELPED :)Among the given options, the one that is a natural cause of extinction would be:
b). Introduction of non-native species.
'Non-native species' are described as the species that are introduced to an ecosystem different from its native habitat.
These species are severe threat to the existing ecosystem of the new habitat including plants, animals, aquatic life, etc. where they've been shifted.
Thus, it is not a natural cause as these species are not naturally introduced but the humans introduce them.
They turn so dominating to get their food and other things that it lead not only harmful but also lead to the extinction of the native species.
Hence, option b is the correct answer.
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Does mitosis or meiosis occur more frequently in your body? Explain your answer
Answer:
Mitosis
Explanation:
Meiosis is the splitting of sex cells which happens during reproduction. Mitosis is the splitting of body cells in order to make more body cells. Mitosis is how your body grows, therefore it occurs more frequently because the body is not constantly reproducing.
In the human body, mitosis occurs more frequently than meiosis. Mitosis is a type of cell division that happens in somatic cells, which are non-reproductive cells.
It is responsible for growth, repair, and maintenance of tissues in the body. On the other hand, meiosis occurs only in reproductive cells, such as sperm and egg cells, and is involved in the formation of gametes for sexual reproduction.
Here is a step-by-step explanation:
1. Mitosis: Mitosis is a process where a single cell divides into two identical daughter cells. It consists of several stages: interphase, prophase, metaphase, anaphase, and telophase. During interphase, the cell grows, replicates its DNA, and prepares for division.
Then, in prophase, the DNA condenses into chromosomes, and the nuclear membrane breaks down. In metaphase, the chromosomes align in the middle of the cell. Next, in anaphase, the chromosomes separate and move to opposite ends of the cell. Finally, in telophase, two nuclei form, and the cell divides into two daughter cells.
2. Meiosis: Meiosis is a specialized type of cell division that produces gametes with half the number of chromosomes as the parent cell. It involves two rounds of division, resulting in the formation of four haploid cells. Meiosis consists of two main stages: meiosis I and meiosis II.
In meiosis I, the homologous chromosomes pair up, exchange genetic material in a process called crossing over, and then separate, reducing the chromosome number by half. Meiosis II is similar to mitosis, as the sister chromatids separate and move to opposite ends of the cell. The end result is the formation of four genetically unique haploid cells.
Although both mitosis and meiosis are essential for different purposes, mitosis occurs more frequently in the body because it is involved in the growth, repair, and maintenance of tissues.
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The graph below shows the speed of a ball rolling over uneven ground.
Forces, Motion, & Speed (6.8B,C&D):Question 7
According to the graph, at which time interval was the ball moving the
FASTEST?
Speed of Ball and Distance Traveled
10
8
Select one: -
Distance (meters)
between seconds 3 and 4
between seconds 0 and 1
Time (seconds)
between seconds 4 and 5
O
between seconds 1 and 2
Answer:
It is Distance (meters)
between seconds 3 and 4
Explanation:
I had this on my test last week
what are products of the krebs cycle
Answer:
GTP.
3 NADH.
FADH2, which is converted to UQH2 in the presence of coenzyme Q (ubiquinone)
2 CO2 (carbon dioxide)
In vesicular transport, __________ transport materials into and out of the cell using _______.
Endocytosis and exocytosis transport materials into and out of the cell using vesicles.
Endocytosis is called the process by which cells incorporate into them molecules, large or small, which are covered by the formation of a vesicle that detaches into the cell, forming phagocytic vesicles.In exocytosis, the proteins or molecules produced in the endoplasmic reticulum are wrapped in a vesicle towards the Golgi apparatus, where they are released to be used by other cells or by the body in different processes.Therefore, we can conclude that exocytosis and endocytosis are the biological processes responsible for the transport of particles and substances into and out of the cell.
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Answer:
Vesicles, Energy
Explanation:
Which of the following is NOT a monomer?
A. an amino acid
B. a monosaccharide
C. a protein
D. a nucleotide
HELP PLEASE! Why might a scientist repeat experiment if she did not make a mistake in the first one
A) scientist therapy experiment to make the most money
B)it helps ensure the results are consistent and repeatable
C) repeating ensures the expect the results match the hypothesis
D) helps fine portions I can be skipped with the same results
Answer:
i believe its B but i might be mistaken.
Explanation:
what are two organisms in the food web that have a predator-prey relationship? i need examples
Answer:
Some examples of predator and prey are lion and zebra, bear and fish, and fox and rabbit. The words "predator" and "prey" are almost always used to mean only animals that eat animals, but the same concept also applies to plants: Bear and berry, rabbit and lettuce, grasshopper and leaf.
Some examples of predator and prey are lion and zebra, bear and fish, and fox and rabbit.
What do you mean by predator-prey relationship?In the predator prey relationship, one species is feeding on the other species. The prey species is the animal being fed on, and the predator is the animal being fed. The predator prey relationship develops over time as many generations of each species interact.
Predator and prey populations cycle through time, as predators decrease numbers of prey. Lack of food resources in turn decrease predator abundance, and the lack of predation pressure allows prey populations to rebound.
The relationships between predators and prey play an important role in structuring ecological communities, with predators influencing the dynamics of their prey in ways that cascade through ecosystems.
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How can we change the speed of a toy car on a racetrack to describe the car’s motion?
Answer:
get one of those blowers and blow it on the wheels to make the wheels spin very fast
Explanation:
Answer:
tilt the track the most 30 degress
Explanation:
3. What variables of your test subjects were necessary to input into the calculator?
Which variables seem to have the LEAST effect on a person's vital capacity?
Answer:
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True or false Angiosperms are flowering plants will mark brainlest
Answer:
True, angiosperms are plants that have flowers and produce seeds within a fruiting body or carpel. Example: The humble tomato plant starts off with bright yellow or orange flowers that (after pollination) will swell into a plump, red fruit, chock-full of seeds waiting to be planted.
why leaves are falling when they are matured?
Answer:
bcs in plant there's two types of tissue one is meristematic tissue and another is permanent tissue which are basically dead tissues so when meristematic tissue get matured they are converted into permanent one n leaves becomes dead
Explain how an imbalanced ecosystem be beneficial
Answer:
Ecological balance is a term used to describe the equilibrium between living organisms such as human being, plants, and animals as well as their environment. ... Therefore, this balance is very important because it ensures survival, existence and stability of the environment
Explanation:
If one species is lost the entire ecosystem can stop working. ... If something happens in an ecosystem, it can shift from a state of balance to a state of imbalance. Ecological imbalance is when a natural or human-caused disturbance disrupts the natural balance of an ecosystem.
Which structures shown in the Figure make up the ADP molecule?
А
B
с
D
A, B and C
C and D
A, B, C, and D
A and B
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which of the following happens to a cell in hypotonic solution
A- The cell gains water and expands
B- The cell stays the same
C- The cell loses water and shrivels
D- Water moves out of the cell
Answer:
In a hypotonic solution, the solute concentration is lower than inside the cell. If the water continues to move into the cell, it can stretch the cell membrane to the point the cell bursts (lyses) and dies
Hypotonic solutions have lower solute concentrations than cells. If water keeps entering the cell, it can strain the membrane until the cell bursts and dies. Therefore, option (A) is correct.
What is hypotonic solution?In comparison to another solution, a hypotonic solution will have a lower solute concentration because of its composition. Without another solution to compare it to, it is impossible to determine whether a solution is hypotonic, isotonic, or hypertonic. A solution is said to be hypotonic when it has a relatively low concentration of solutes in comparison to another solution.
As a consequence of this, the solute concentration is lower in a hypotonic solution than it is inside of the cell. If the water continues to enter the cell, it has the potential to stretch the cell membrane to the point where the cell lyses and dies as a result of the rupture.
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Are enzymes reactants? Explain your answer.
when you cut an onion, what happens to your eyes? what role do you think the onions' central vacuoles have in your reaction?
Answer:
They start to water because of the acid.
1. Is genetic modification a helpful application of technology that makes plants resistant to pests and disease while improving nutritional value?
2. Is genetic modification an unnatural tinkering with our food supply that lacks sufficient regulation and oversight?
Answer:
Yes genetic modifications is a helpful application of technology that makes plants resistant to pests and disease while improving nutritional value
Explanation:
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Which microscope is often used to view metal surfaces?
scanning electron microscope
scanning tunneling microscope
transmission electron microscope
compound light microscope
Answer:
scanning tunneling microscope
Explanation:
Microscopes used to view metal surfaces.