AP (Advanced Placement) Biology: Questions 681 - 683 of 868

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Question number: 681

» Skin

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MCQ▾

Question

What is the function of the papillae in the dermis?

Choices

Choice (5)Response

a.

To provide nutrients to the squamous epithelium and upper layers

b.

To aid in homeostasis by helping maintain heat balance

c.

To aid in homeostasis by helping to maintain fluid balance

d.

To aid in homeostasis by helping maintain H+ balance

e.

To serve as an anchor for the epidermis

Question number: 682

» Microbiology

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MCQ▾

Question

Bacterial genetic engineers rely on generalized transduction by

Choices

Choice (5)Response

a.

Allowing a lysogenic bacteriophage to package random DNA sequences to carry to another cell

b.

Allowing a lysogenic bacteriophage to package specific DNA sequences to carry to another cell

c.

Using a gene biolistic to insert specific sequences into a cell

d.

Using restriction endonucleases to cut desired DNA sequences so that it can pass into the target cell

e.

Allowing naked DNA to be taken up randomly by susceptible bacteria

Question number: 683

» Microbiology

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MCQ▾

Question

Autoradiographs can be used to

Choices

Choice (5)Response

a.

Identify the location of specific RNA on a Southern blot

b.

Identify the location of specific gene on a chromosome

c.

Mark euchromatin and heterochromatin regions on chromosomes

d.

Identify the location of specific DNA on a Northern blot

e.

Identify the location of specific proteins on a Western blot

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