At equilibrium, all molecular movement stops

a. True
b. False


b

Biology & Microbiology

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Vibrio cholerae is most often associated with

A. breathing air. B. eating food. C. drinking water. D. touching animals

Biology & Microbiology

Phrases 60–69 refer to the eukaryotic cell cycle. Select the single

BEST choice for each phrase. a. G2 b. mitosis c. S d. G1 e. cytokinesis E 60. period when DNA is duplicated E 61. last part of interphase in the parent cell (i.e. when the cell is no longer in interphase) M 62. event that forms two daughter cytoplasmic masses D 63. period of cell growth before DNA duplication E 64. period after DNA is duplicated M 65. period of nuclear division E 66. period when interphase begins in a daughter cell M 67. period commonly followed by cytokinesis M 68. period in which metaphase occurs D 69. period prior to mitosis

Biology & Microbiology

A metabolic reaction requires 40 units of enzymatic activity to proceed. If a dominant allele D can generate 40 units of enzyme and a mutant allele d" generates 20 units of enzyme, what can be said of the dominant wild-type allele?

What will be an ideal response?

Biology & Microbiology

In a population of 100 four-o'clock flowers there are 40 red-flowered plants (CRCR), 38 pink-flowered plants (CRCW), and 22 white-flowered plants (CWCW). What is the frequency of the CW allele in this population?

A. 0.41 or 41% B. 0.52 or 52% C. 0.6 or 60% D. 0.09 or 9% E. 0.32 or 32%

Biology & Microbiology