Which of the following is extremely radiation resistant?

A. Aquifex
B. Deinococcus
C. Cytophaga
D. Thermotoga


Answer: B

Biology & Microbiology

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Which of the following best defines a cohort?

A) a group of individuals that inhabits a small isolated region within the range for the species B) all of the individuals that are annually added to a population by birth and immigration C) the reproductive males and females within the population D) a group of individuals from the same age group, from birth until they are all dead E) the number of individuals that annually die or emigrate out of a population

Biology & Microbiology

Varied coenzyme availability increases the diversity of enzymatic reactions in both biosynthetic and catabolic pathways possible in a cell

Indicate whether the statement is true or false.

Biology & Microbiology

Which of the following plant hormones promotes elongation of either the stems or roots in vascular plants? Select all correct choices

A. ethylene B. cytokinins C. auxin D. gibberellic acid E. abscisic acid

Biology & Microbiology

Auxin:

A. prevents cell elongation. B. is transported from young leaves to differentiated vascular tissue. C. has a net positive charge in the cytoplasm of cells. D. inhibits cellular production of PIN proteins. E. inhibits fruit ripening.

Biology & Microbiology