Which of the following statements best describes the life cycles of charophyceans and mosses?
A. The diploid generation of charophyceans consists of only one cell whereas the diploid generation of mosses is multicellular.
B. The haploid generation of charophyceans consists of only one cell whereas the haploid generation of mosses is multicellular.
C. The haploid and diploid generations of charophyceans both consist of only one cell whereas both generations of mosses are multicellular.
D. The haploid and diploid generations of both charophyceans and mosses are unicellular.
E. All of the choices provided are incorrect.
A. The diploid generation of charophyceans consists of only one cell whereas the diploid generation of mosses is multicellular.
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The topoisomerase ________ introduces positive supercoils in DNA, which stabilizes DNA and prevents the DNA helix from denaturing at high temperatures
A) reverse ligase B) ligase C) DNA gyrase D) reverse DNA gyrase
The majority of energy generated in the citric acid cycle is in the form of:
A. ATP via substrate level phosphorylation. B. GTP via substrate level phosphorylation. C. energy electrons donated to NAD+ and FADH. D. ATP via oxidative phosphorylation. E. GTP via oxidative phosphorylation.
Rods are
A. concentrated in the fovea. B. sensitive mainly to blue, green, or red light in humans. C. the only photoreceptors which contain opsins. D. the only photoreceptors which contain rhodopsin. E. concentrated in the fovea and sensitive to colors.
The special senses include all of the following, except
A) Sight. B) Olfaction. C) Tissue damage. D) Gustation. E) Equilibrium.