In the late 1950s, some women were prescribed a teratogen to relieve symptoms of morning sickness. This drug caused abnormal limb development in the children of these women. What was this drug?

A. acetaminophen

B. acutane

C. erythromycin

D. thalidomide

E. penicillin


D. thalidomide

Biology & Microbiology

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All of the following are animal mechanisms to cope with the problem of water balance EXCEPT 

A. coupling of water/salt removal with metabolic waste removal. B. secretion of regulatory hormones into the tubule. C. kidneys used as filtering organs. D. passage of water and waste of the body across a layer of cells into a tubular structure. E. contractile vacuoles.

Biology & Microbiology

Describe how you might analyze a pedigree to determine whether a particular condition is recessive or dominant, and X-linked or autosomal. For the sake of this question, ignore conditions such as multiple alleles, incomplete dominance, and other complications

What will be an ideal response?

Biology & Microbiology

Bone repair fractures

What will be an ideal response?

Biology & Microbiology

Which of the following types of reactions would decrease the entropy within a cell?

A) anabolic reactions B) hydrolysis C) digestion D) catabolic reactions

Biology & Microbiology