Hypoxia results in all of the following EXCEPT

a. hyperventilation.
b. respiratory muscles working harder.
c. heart muscles working harder.
d. breathing difficulty.
e. excessive oxygenation of the blood.


Answer: e

Biology & Microbiology

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Human papillomavirus is

A. a small, non-enveloped double-stranded DNA virus. B. a small, enveloped double-stranded DNA virus. C. a large, enveloped double-stranded RNA virus. D. a small, non-enveloped single-stranded DNA virus.

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Which mutation is an example of an adaptation?

a. A mutation results in decreased sperm count in humans. b. A mutation is found to be the cause of Alzheimer's Disease. c. A mutation results in hairless cats, reducing allergies in humans. d. A mutation increases the size of tomato plants. e. A mutation renders an individual immune to HIV infection.

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Through a sequence similarity search, a researcher identifies a gene whose predicted protein product has a putative

function of a photosynthesis-enhancing enzyme. Which experimental method could be performed to verify this function?

a. PCR b. an assay measuring photosynthetic productivity c. identification of signature genes d. DNA microarray e. gene knockout

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Which of the following can NOT be an RNA

transcript? a. AUGCUU b. ATGCGT c. UACGCA d. UAGCGU e. GCGUUU

Biology & Microbiology