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DENIUS [597]
3 years ago
6

(L1) The plasma membrane of a cell is selectively permeable (or semi-permeable), which means it

Biology
2 answers:
pickupchik [31]3 years ago
8 0

Answer:

C. Allows some materials to pass.

Explanation:

sukhopar [10]3 years ago
3 0

Answer:

c

Explanation:

Being selectively permeable means that it selects what comes in and what goes out.

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A fruit fly population has a gene with two alleles, A1 and A2. Tests show that 70% of the gametes produced in the population con
IceJOKER [234]

Answer:

Option C

Explanation:

Given ,

A1 allele is carried by 70 % people

Let us assume A1 s dominant genotype

This means p= \frac{70}{100} = 0.7

Thus, frequency of allele in the given population is 0.7

It is also given that the population is in Hardy-Weinberg equilibrium thus

p+q=1\\0.7+q=1\\q = 1-0.7\\q= 0.3

Frequency of fruit fly with genotype A2A2 will be

q^2\\= (0.3)^2\\= 0.09

As per Hardy-Weinberg's second equation of equilibrium

p^{2} + q^{2} + 2pq = 1\\0.49+0.09+2pq = 1\\2pq = 1-0.49-0.09\\2pq= 0.42

Hence, option C is correct

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The enzymatic nutrient pathway in the liver for the production of glucose from noncarbohydrate molecules (amino acids or fatty a
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Gluconeogenesis is a metabolic pathway that results in the generation of glucose from non-carbohydrate molecules, from breakdown of amino acids or fatty acids and from other steps in metabolism that include pyruvate and lactate. This pathway is one of several main mechanisms used by humans and many other animals to maintain blood glucose levels<span>, avoiding low levels of blood glucose.</span>

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3 years ago
Help me plzz i need help with this I think one of them is sweating I am not sure though
Korvikt [17]

Answer:

I am almost certain it's A and B.

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