AP (Advanced Placement) Biology: Questions 837 - 839 of 868

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Question number: 837

» Eukaryotic Cell

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MCQ▾

Question

Which statement is Incorrect regarding the Endosymbiotic theory of the origin of mitochondria?

Choices

Choice (5)Response

a.

Mitochondria have different forms for RNA than eukaryotic cells do.

b.

Mitochondria carry out their own transcription and translation.

c.

Mitochondria have their own genome that resembles that of a bacterium

d.

Mitochondrial membranes are surrounded by an unusual second membrane.

e.

Mitochondria have a genetic code different than that of most of the cells in which they are found.

Question number: 838

» Genetics

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MCQ▾

Question

If Johan acquired a mutation that was detected in his DNA but did not change any protein, then which of the following statement CANNOT be true?

Choices

Choice (5)Response

a.

This mutation was a point mutation.

b.

This mutation may occur in an intron.

c.

This mutation was an inversion mutation.

d.

This mutation was a neutral mutation.

e.

This mutation was a deletion mutation.

Question number: 839

» Circulatory, Immune & Lymphatic Systems

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MCQ▾

Question

Bacteriophages are used as a form of antibiotic in protecting humans from bacterial infections. Why don’t these viruses cause any disease in human?

Choices

Choice (5)Response

a.

Macrophage phagocytose these bacteriophages.

b.

Human cells do not have the phage receptors.

c.

The phages are removed from circulation by lymphatic system

d.

Dendritic cells phagocytose and destroy the bacteriophages.

e.

Antibodies are not formed by these viruses.

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