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Serhud [2]
3 years ago
15

Which of the following can increase genetic variation during meiosis

Biology
1 answer:
LiRa [457]3 years ago
7 0
The answer is : crossing over can increase genetic variations during meiosis
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Phosphate from atp is removed to make adp and a free phosphate molecule
Lunna [17]

Answer:

ATP is a nucleotide consisting of an adenine base attached to a ribose sugar, which is attached to three phosphate groups. ... When one phosphate group is removed by breaking a phosphoanhydride bond in a process called hydrolysis, energy is released, and ATP is converted to adenosine diphosphate (ADP).

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Which part of the cell is semipermeable, or controls center and leaves the cell?
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The nucleus is the part which controls the cell and is semipermeable

5 0
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What is an advantage of performing a series of dilutions vs. a simple dilution?
Marrrta [24]

<u>Answer:</u>

The series dilution method is the step wise dilution technique where the dilution factors remain constant in each step.  

The advantages of using the series of dilution method over simple dilution are stated below:

<em>a)        Aids in reduction of a dense culture of cells to a more usable concentration.</em>

<em>b)        In every step of dilution the specific amount of bacteria is removed. </em>

<em>c)        Helps in the estimation of concentration of an unknown sample.</em>

<em>This sums up the advantage of using the series dilution technique.</em>

3 0
3 years ago
Air is forced into the lungs by the contraction of thea. alveoli.c. diaphragm.b. bronchioles.d. heart.
irina [24]
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Helppp pleaseeee !
Lubov Fominskaja [6]
The answer for the first question is B. mucus sweat and tears, all of those are defenses that the body uses when attacked. Now for the second option is A the answer because the first filter that a virus or a desease must pass is indeed the skin. Hope is good for you 
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