Subject SAT (College Board) Biology: Questions 625 - 628 of 830

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Question 625

Question

MCQ▾

The fundamental principle of embryonic development were pronounced by

Choices

Choice (5)Response

a.

Morgan

b.

Haeckel

c.

Von Baer

d.

Weismann

e.

Question does not provide sufficient data or is vague

Question 626

Question

MCQ▾

The contrasting pairs of factors in Mendelian crosses are called

Choices

Choice (5)Response

a.

multiple alleles

b.

alloloci

c.

polygenic inheritance.

d.

co dominance

e.

Question does not provide sufficient data or is vague

Question 627

Question

MCQ▾

Some enzymes require the presence of a non-protein substance if they are to catalyse a reaction. Which of the following terms is the best general term for such a substance?

Choices

Choice (5)Response

a.

Cofactor

b.

Prosthetic group

c.

Coenzyme

d.

Modulator

e.

Question does not provide sufficient data or is vague

Question 628

Question

MCQ▾

One of the parents of a cross has a mutation in its mitochondria. In that cross, that parent is taken as a male. During segregation of F2 progenies that mutation is found in

Choices

Choice (5)Response

a.

fifty percent of the progenies

b.

no one of the progenies

c.

one-third of the progenies

d.

all the progenies

e.

Question does not provide sufficient data or is vague

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