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Vsevolod [243]
3 years ago
11

Who is structure occurs in meiosis but not mitosis

Biology
1 answer:
lana [24]3 years ago
8 0

Answer:

Crossing over occurs in meiosis but not in mitosis

Explanation:

Miosis is a process in which diploid cell  becomes a haploid cell.which is essential for sexual reproduction In mitosis the daughter cells are identical whereas in meiosis the daughter cells are different due to crossing over.the process of crossing over does not occur in mitosis.

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A typical human cell is approximately 10.00 10.00 μm in diameter and enclosed by a membrane that is 8.000 8.000 nm thick. What i
fredd [130]

Answer:

V_{cell = 526.12 μm³

Explanation:

Given that;

A typical human cell is approximately 10.00 μm in diameter    &

enclosed by a membrane that is 8.000 nm thick.

What is the volume of the cell including the membrane?

First, let's determine the radius of the human cell=

= \frac{1}{2}*d

= \frac{1}{2}*10

= 5 μm

Now, the radius of the cell including the membrane

= 5 μm + 8.000 nm

= 5 μm + 0.008 μm

= 5.008  μm

The volume of the cell including the membrane is given by the formula:

V_{cell]= \frac{4}{3} *\pi *(r_{cell})^3 um^3

V_{cell  = \frac{4}{3}*3.142*(5.008)^3um^3

V_{cell = 526.1160731 μm³

V_{cell = 526.12 μm³

3 0
3 years ago
Is an aphid a producer
Umnica [9.8K]
No, producers produce their own food like plants that use photosynthesis to produce sugar whilst aphids cannot produce their own food and have to feed of other plants.
5 0
3 years ago
The nonselective, passive process performed by the glomerulus that forms blood plasma without blood proteins is called ________.
shutvik [7]
The nonselective, passive process performed by the glomerulus that forms blood plasma without blood proteins is called filtration.
<span>Glomerular filtration is the first step in making urine which includes the<span> separation of the liquid part of the blood (plasma) from the blood cells</span>. Glomerulus of the kidneys (a tuft of blood capillaries)<span> filters excess fluid and waste products out of the blood into the urine collecting tubules of the kidney and thus eliminates it out of the body.</span></span>
7 0
3 years ago
Which of the following are chemical reactions? Check all that apply
Korolek [52]

Answer:

b and c

Explanation:

In b you'll be mixing and heating up the sauce creating a new compound from  older components and in c, the ultraviolet lights will change your skin cells.

7 0
3 years ago
Read 2 more answers
A scientist has discovered a new plant species in the Amazon rainforest she tells her fellow scientist at the Playhouse she has
Anna11 [10]

Answer:

It is a seeded vascular plant.

It does not depend on insect pollination.

Explanation:

The complete question is: <em>A scientist has discovered a new plant species in the Amazon rainforest. She tells her fellow scientists that the plant she has found produces a cone. What might they say about how this plant is different from an angiosperm? Its seeds have one or two cotyledons. Its stems' vascular bundles are scattered. It does not depend on insect pollination. It is a seeded vascular plant. </em>

<em />

<em>The correct option would be that the plant is a seeded vascular plant and does not depend on insect pollination.</em>

Gymnosperms are the only group of plants that produce cones. They are one of the plant groups that have vascular tissues in the form of xylem and phloem as well as been able to produce seed in the form fo cones. Hence, they are said to be seeded vascular plants.

Gymnosperms also carry out their pollination by relying solely on wind for the transfer of their pollen grain to the female organ. In other words, they do not depend on insect for pollination.

8 0
3 years ago
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