Subject SAT (College Board) Biology: Questions 576 - 583 of 805

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Question number: 576

» Cell

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MCQ▾

Question

What term is used for a non-protein organic molecule that is required by some enzymes in order to catalyze a reaction on a substrate?

Choices

Choice (4) Response

a.

Prosthetic group

b.

Cofactor

c.

Coenzyme

d.

Modulator

Question number: 577

» DNA and Evolution

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MCQ▾

Question

ATP is

Choices

Choice (4) Response

a.

nucleoside

b.

nucleic acid

c.

vitamin

d.

nucleotide

Question number: 578

» Mendel and Hereditary

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MCQ▾

Question

Ratio of complementary genes is

Choices

Choice (4) Response

a.

9: 3: 3: 4

b.

9: 3: 4

c.

9: 7

d.

12: 3: 1

Question number: 579

» DNA and Evolution

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MCQ▾

Question

In DNA double helix, both the DNA strands are

Choices

Choice (4) Response

a.

Coiled around a common axis

b.

Covered by protein sheath

c.

Coiled in a different way

d.

Coiled around each other

Question number: 580

» DNA and Evolution

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MCQ▾

Question

Yellow spider is the best example of which of the following?

Choices

Choice (4) Response

a.

Mimicry

b.

Natural selection

c.

Reproductive isolation

d.

Mutation

Question number: 581

» DNA and Evolution

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MCQ▾

Question

Lack of independent assortment of two genes A and B in fruit fly Drosophila is due to

Choices

Choice (4) Response

a.

Crossing over

b.

Linkage

c.

Recombination

d.

Repulsion

Question number: 582

» Mendel and Hereditary

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MCQ▾

Question

A nutritionally wild type organism, which does not required some additional growth supplement is commonly called

Choices

Choice (4) Response

a.

prototroph

b.

autotroph

c.

holotype

d.

phenotype

Question number: 583

» Mendel and Hereditary

Edit
MCQ▾

Question

Process which restricts multiplication of chromosome number and maintains stability of species is

Choices

Choice (4) Response

a.

mitosis

b.

gene expression

c.

replication

d.

meiosis

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