Which one of the following is not a major plant hormone?

A. auxins
B. brassino-steroids
C. ethylene
D. cytokinins
E. ethanol


E. ethanol

Biology & Microbiology

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Root hairs on a root develop _____

A) on the entire root surface B) before the cells elongate C) after the cells elongate D) on the root cap

Biology & Microbiology

Which of the following characteristics of protein degradation in eukaryotic cells is not true of protein degradation in bacterial cells?

A. Proteins with an Arg residue at their N-termini have short half-lives. B. Proteins are degraded by a large, barrel-shaped protease. C. Proteolysis is ATP dependent in regulated protein degradation. D. Protein degradation is directed by the covalent attachment of ubiquitin.

Biology & Microbiology

The best way to prevent desertification is to avoid farming in areas subject to ____

a. flooding b. deforestation c. acid rain d. high winds and periodic drought e. topsoil buildup

Biology & Microbiology

The ant Myrmecia pilosula is found in Australia and is named bulldog because of its aggressive behavior. It is particularly interesting because it carries all its genetic information in a single pair of chromosomes. In other words, 2n = 2

(Males are haploid and have just one chromosome.) Which of the following figures would most likely represent a correct configuration of chromosomes in a metaphase I cell of a female? A) A B) B C) C D) D E) E

Biology & Microbiology