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tigry1 [53]
3 years ago
11

What can you conclude about the advantage of the cell membrane having hydrophobic ends in the phospholipid bilayer?

Biology
2 answers:
VLD [36.1K]3 years ago
7 0
The cell requires a barrier between itself and its environment.
neonofarm [45]3 years ago
6 0

The answer is:  

The cell requires a barrier between itself and its environment.

I did the test

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Answer:

Endoplasmic Reticulum

Structure

It is a large dynamic structure that serves many role in the cell including calcium storage, lipid metabolism, etc.

Function

It's function is to produce protein for the rest of cells to function.

Golgi bodies

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It is made up of series of flattened stacked pouches

Function

It collect and distribute substance made in cell,synthesis and secretion of many material.

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3 years ago
Write the hardy-weinberg equation and list the conditions a population must meet to maintain the hardy weinberg equilibrium. exp
Artyom0805 [142]

1. p^{2} +2pq+q^{2} =1 where in a population:

p - the frequency of the <em>A</em> allele

q - the frequency of the <em>a</em> allele

p^{2} - the frequency of the <em>AA</em> homozygous genotype

q^{2} - the frequency of the <em>aa</em> homozygous genotype

2pq - the frequency of the <em>Aa</em> heterozygous genotype

A population at equilibrium will have the sum of all the alleles at the locus equal to 1.

2. Conditions:

A. The breeding population must be large

B. No natural selection

C. The mating must occur randomly

D. No mutations to cause changes in allelic frequency.

E. No changes in allelic frequency due to immigration or emigration.

3. By comparing the actual genetic structure of a population with what we would expect from a Hardy-Weinberg equilibrium, we can determine how much it deviates from the baseline provided by the mathematical model. Depending on how large the deviation is, one or more of the model's assumptions are being violated. Thus, we can attempt to determine which one.

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A tick sucks blood from a host organism
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If this is a true or false question then the answer is True
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D because gravitational force cannot pull or push
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