What viral disease has been successfully eradicated?

A) smallpox
B) cowpox
C) vaccinia
D) varicella
E) erythrovirus


A

Biology & Microbiology

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Humans are susceptible to scurvy because

A. they cannot synthesize amino acids. B. they do not have enough adipose tissue for vitamin A storage. C. they cannot synthesize vitamin C. D. they have a high incidence of fruit allergies. E. constant seasickness and nausea on long voyages leads to weakness and anemia.

Biology & Microbiology

All of the organisms in a given location or area are termed a

A. peer group. B. flock. C. community. D. population. E. herd.

Biology & Microbiology

Which type of ecosystem has low primary production but nonetheless contributes a large proportion of Earth's total net primary production?

A) tropical rain forest B) coral reef C) open ocean D) desert

Biology & Microbiology

If your mother has cystic fibrosis, which is caused by a recessive allele, the odds of you having cystic fibrosis are

____.

a. 1/4 b. 1/2 c. 3/4 d. 1 e. impossible to determine without knowing your father’s genotype

Biology & Microbiology