AP (Advanced Placement) Biology: Questions 704 - 709 of 1309

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Question 704

Question MCQ▾

The earliest fossil form, in the phylogeny of horse, is

Choices

Choice (5)Response

a.

Merychippus

b.

Eqiitts

c.

Eohippus

d.

Mesohippus

e.

None of the above

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Question 705

Question MCQ▾

The production site for rRNA is

Choices

Choice (5)Response

a.

Nucleus

b.

RER

c.

Nucleolus

d.

Cytoplasm

e.

Question does not provide sufficient data or is vague

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Question 706

Question MCQ▾

The main role of enhancer is to

Choices

Choice (5)Response

a.

bind RNA polymerase

b.

serves as CAT box binding proteins

c.

work adjacent to the TATA box

d.

modulate transcription

e.

All of the above

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Question 707

Question MCQ▾

Essentiality in Rho-dependent termination of transcription in E. coli

Choices

Choice (5)Response

a.

ATP

b.

Nearly 50 nucleotides of uncomplexed mRNA

c.

Both a. and b. are correct

d.

None of the above

e.

Question does not provide sufficient data or is vague

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Question 708

Question MCQ▾

A fruit fly is heterozygous for sex-linked genes, when mated with normal female fruit fly, the males specific chromosome will enter egg cell in the proportion.

Choices

Choice (5)Response

a.

7: 1

b.

2: 1

c.

3: 1

d.

1: 1

e.

None of the above

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Question 709

Question MCQ▾

Which of the following (s) is/are steps in excision repair mechanisms?

Choices

Choice (5)Response

a.

Incision

b.

Excision

c.

Ligation

d.

All a., b. and c. are correct

e.

Question does not provide sufficient data or is vague

Edit