The limb deformities caused by the tranquilizer ____________________ helped focus attention on the

issue of teratogens. Fill in the blank(s) with the appropriate word(s).


ANS: thalidomide

Biology & Microbiology

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Explain how, when improper base pairing escapes repair by the proofreading system, cells are able to detect and repair mutations

What will be an ideal response?

Biology & Microbiology

Lichens are mutualisms between  

A.  yeast and another fungi. B.  fungi and an alga. C.  fungi and a green plant. D.  fungi and a mycorrhizae. E.  mycorrhizae and yeast.

Biology & Microbiology

Of the following four islands at the same

latitude, the one possessing the fewest species is a. 1,000 square kilometers in area and 300 km from the mainland. b. 3,000 square kilometers in area and 100 km from the mainland. c. 100 square kilometers in area and 3,000 km from the mainland. d. 300 square kilometers in area and 1,000 km from the mainland. e. none of these

Biology & Microbiology

The hominoid genus Pongo includes:a

gorillas. b. gibbons. c. orangutans. d. chimpanzees. e. humans.

Biology & Microbiology