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Marrrta [24]
3 years ago
15

What is the sodium-potassium pump?

Biology
1 answer:
yaroslaw [1]3 years ago
7 0
<span>the sodium-potassium pump is one of the most important carrier proteins in the animal cell.</span>
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Match the area with the correct climate:
BabaBlast [244]

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Permafrost: Frozen ground.

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Hope this helped!

6 0
3 years ago
__1__ is a climate cycle where the temperature of the __2__ Ocean changes because of movements of air and ocean currents. During
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El Nino is a climate cycle where the temperature of the Pacific Ocean changes because of movements of air and ocean currents. During this period, the trade winds in the south weaken, causing the warm water to move from the Western region to the Eastern region.

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During a La Niña winter, cities in central Kentucky are most likely to experience
mixas84 [53]

Answer:

the answer is b or c  

Explanation:

5 0
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Is the menstrul system a part of the reproductive system
kolbaska11 [484]
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Organisms with the genotypes aabbccdd and aabbccdd are crossed. What are the expected proportions of the following progeny?
Dvinal [7]

Answer:

a) \frac{27}{64}

b)\frac{1}{32}

c) \frac{27}{64}

d) \frac{3}{64}

Explanation:

The correct question is

Organisms with the genotypes AABbCcDd and AaBbCcDd are crossed. What are the expected proportions of the following progeny?

a. A_B_C_D_

b. AabbCcDd

c. a phenotype identical to either parent

d. A_B_ccdd

Solution

In such question the probability for each allele pair is to be determines separately

For instance,

AA * Aa will produce AA, Aa, AA, Aa this means that all the the probability of getting both AA and Aa is \frac{1}{2}

Like wise when Bb and Bb are crossed, BB, Bb, Bb, and bb are produced. So the probability of getting dominant trait i.e BB or Bb is \frac{3}{4} and recessive trait i.e bb is \frac{1}{4}

Chance to get homozygous bb only or BB only is \frac{1}{4}

and chance of getting Bb is  \frac{1}{2}

Like Bb and Bb cross, the same will be the probabilities for Cc and Cc cross and Dd and Dd cross

Part A)

\frac{1}{4} * \frac{3}{4} * \frac{3}{4} * \frac{3}{4} \\= \frac{27}{64}

Part B)

\frac{1}{4} * \frac{1}{2} *  \frac{1}{2}*  \frac{1}{2}\\=  \frac{1}{32}

Part C)

\frac{1}{4} * \frac{3}{4} * \frac{3}{4} * \frac{3}{4} \\= \frac{27}{64}

Part D)

\frac{3}{4} * \frac{1}{4} * \frac{1}{4} * \frac{1}{4} \\= \frac{3}{64}

5 0
3 years ago
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