Asexual reproduction ____

a. is common in vertebrates
b. involves the fusion of two sperm
c. involves the fusion of two eggs
d. gives rise to offspring without the fusion of gametes
e. involves the fusion of a male gamete and a female gamete


ANSWER: d

Biology & Microbiology

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A woman visits her doctor's office complaining of pattern baldness. Her mother and father do not have pattern baldness, but her brother does. The doctor is concerned that she may have the serious condition of _______, and he immediately orders blood tests to check her ________ levels.

A. tumor of the adrenal gland, 5-dihydrotestosterone B. tumor of the reproductive system, testosterone C. skin cancer, 2,5 alpha-reductase D. tumor of the adrenal gland, estradiol E. tumor of the reproductive system, 5-dihydrotestosterone

Biology & Microbiology

The critical function of the sodium-potassium pump of neurons is to move

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Biology & Microbiology

Match the choice on the left with the correct choice on the right

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Biology & Microbiology

The process that decreases the number of organisms with phenotypes less fit to meet environmental

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Biology & Microbiology