What is the end result of activating the MAP kinase pathway?
A. a change in gene expression
B. phosphorylation of multiple cytosolic
proteins
C. synthesis of second messenger molecules
D. ion flow
A
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Small acid-soluble proteins (SASPs) protect DNA from ultraviolet light and are found in high numbers within
A) gram-positive Bacteria. B) endospores. C) inclusion bodies. D) gram-negative Bacteria.
The uncondensed length of human DNA found in chromosomes is _______, whereas a typical cell is 10 µm in length.
a. 5 µm b. 2 µm c. 2 meters d. 20 meters e. 2.54 inches
Gymnosperms
A. are usually insect pollinated. B. are found above the timberline on mountains. C. are seed-bearing plants. D. have flowers.
Indicator bacteria in water quality testing are
a) intestinal residents of birds and mammals b) readily identifiable c) usually coliforms and enterics d) all of the above