Subject SAT (College Board) Biology: Questions 599 - 606 of 805

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Question number: 599

» Atoms and Compounds

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MCQ▾

Question

Which type of enzyme catalyses the conversion of a dipeptide into two separate amino acids?

Choices

Choice (4) Response

a.

Oxidoreductase

b.

Decarboxylase

c.

Dehydrogenase

d.

Hydrolase

Question number: 600

» Mendel and Hereditary

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MCQ▾

Question

According to mendelism which character shows dominance?

Choices

Choice (4) Response

a.

Wrinkled seeds

b.

Green pod colour

c.

Terminal position of flower

d.

Green colour in seed coat

Question number: 601

» DNA and Evolution

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MCQ▾

Question

Changes resulting in abnormal structure of one or more chromosome are known as

Choices

Choice (4) Response

a.

Chromosomal aberration

b.

Point mutation

c.

Gene mutation

d.

Substitution mutation

Question number: 602

» Cell

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MCQ▾

Question

The molecule which acts directly on an enzyme to lower its catalytic rate is

Choices

Choice (4) Response

a.

Modulator

b.

Inhibitor

c.

Repressor

d.

Regulator

Question number: 603

» DNA and Evolution

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MCQ▾

Question

Ribosomes are composed of

Choices

Choice (4) Response

a.

RNA and proteins

b.

DNA and RNA

c.

DNA and Proteins

d.

RNA only

Question number: 604

» DNA and Evolution

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MCQ▾

Question

Guanine is

Choices

Choice (4) Response

a.

pyrimidine

b.

purine

c.

nucleotide

d.

nucleoside

Question number: 605

» DNA and Evolution

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MCQ▾

Question

De Vries presented his mutation theory on organic evolution while working on

Choices

Choice (4) Response

a.

Drosophila melanogaster

b.

Althea rosea

c.

Oenothera lamarckiana

d.

Pisum sativum

Question number: 606

» DNA and Evolution

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MCQ▾

Question

Identify the principal replication enzyme present in E. coli.

Choices

Choice (4) Response

a.

DNA polymerase II

b.

DNA polymerase I

c.

DNA polymerase III

d.

None of the above

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