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OleMash [197]
3 years ago
12

A liver cell requires energy to move vitamins from an area of low concentration,across the cell membrane,to an area of high conc

entration. This process used by the liver cell is called
Biology
1 answer:
Novosadov [1.4K]3 years ago
4 0

Answer:

Active Transport

Explanation:

Active transport is the process of transport of substances from region of their lower to that of higher concentration. Since the transport occurs against the concentration gradient, it is energy requiring process and needs input of energy to occur.

In given example, liver cells transports vitamins against the concentration gradient in energy dependent manner. Therefore, it is an example of "active transport".

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A.) mRNA ( messenger RNA )

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Given the distribution of charges shown in this water molecule, why is it called "polar"?
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When a covalently bonded molecule has more electrons in one area than another, it is called a polar molecule. The electron cloud model can show an unequal sharing of electrons. ... This shows that electrons are more attracted to the oxygen end of the molecule than the hydrogen end, making the water molecule polar.

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What is heamoglobin​
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Determine the standard deviation by filling in the table as part of your calculation. Consider the following data 6, 6, 10, 8, 1
timurjin [86]

Question options:

A. 1.63

B. 0.47

C. 0.94

D. 1.15

Answer:

<u><em>A. 1.63</em></u>

Explanation:

To find the standard deviation,

we have the data:

6, 6, 10, 8, 10, 8

sum = 6 + 6 + 10 + 8 + 10 +8

       = 48

mean = 48 / 6

         = 8

Formula for standard deviation:

σ2 = Σ(xi - μ)2  / N

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