AP (Advanced Placement) Biology: Questions 640 - 643 of 902

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Question 640

Question

MCQ▾

According to Hardy-Weinberg Equilibrium the equation is . It

Choices

Choice (5)Response

a.

Explains the process of parapatric speciation and sympatric speciation

b.

Explains that both genotype and allele frequency remain constant in a population

c.

Demonstrates disruptive selection as well as directional selection

d.

Tells that the frequency of nonresistant forms will increase in populations.

e.

Explains the process of only allopatric speciation

Question 641

Question

MCQ▾

The following statement is NOT true of human chromosomes?

Choices

Choice (5)Response

a.

The diploid number of chromosomes is 46.

b.

Gametes contain 2 sets of each of the 23 chromosomes.

c.

There are 23 pairs of chromosomes.

d.

The haploid number of chromosomes is 23.

e.

Somatic cells contain total 46 chromosomes.

Question 642

Question

MCQ▾

Double helix structure of DNA was discovered by

Choices

Choice (5)Response

a.

Rosalind Franklin

b.

Gobind Khurana

c.

Darwin

d.

Watson and Crick

e.

Friedrich Miescher

Question 643

Question

MCQ▾

Which of the following is NOT an effect of long-term stress?

Choices

Choice (5)Response

a.

Organ exhaustion

b.

Adrenal exhaustion

c.

Iodine insensitivity

d.

Ion imbalances

e.

Energy depletion

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