AP (Advanced Placement) Biology: Questions 578 - 581 of 868

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Question number: 578

» Microbiology

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MCQ▾

Question

If you discovered an infectious agent that lacked both RNA and DNA, what would you suspect?

Choices

Choice (5)Response

a.

A virus

b.

A virion

c.

A viroids

d.

A prion

e.

A virusoids

Question number: 579

» Genetics

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MCQ▾

Question

Transfusion of blood from Chris to Benda results in clotting and death for Benda. But transfusion of blood from Benda to Chris produces no crisis. What would be the possible explanation?

Choices

Choice (5)Response

a.

Chris is Rh– & Benda is Rh+.

b.

Benda has type O blood.

c.

Chris’s blood has higher number of RBC than Benda.

d.

Chris has type O blood.

e.

Benda suffering from sickle cell anaemia.

Question number: 580

» Specialized Cell and Tissues

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MCQ▾

Question

If half of the calcium present in a muscle cell leaked out of the cell into the surrounding tissue, what would occur?

Choices

Choice (5)Response

a.

The action potential in the adjacent neuron becomes weak.

b.

The muscle cell contraction will remain normal.

c.

The force of contraction of muscle cell will highly decrease.

d.

Signal strength from the neuron will increase.

e.

Muscle strength will highly increase.

Question number: 581

» Skin

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MCQ▾

Question

Which of the following is NOT secreted on the skin by glands?

Choices

Choice (5)Response

a.

Amylase

b.

Lipids

c.

Salts

d.

Antibodies

e.

Ammonia

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