Genetic drift has a greater influence on _____ populations
A. Small
B. Large
C. It affects both equally
A
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The tough outer covering of the eye is referred to as the
A. pupil. B. retina. C. sclera. D. fovea. E. iris.
The ampullae of Lorenzini are specialized organs for detecting ____ that are found in sharks
a. smells b. vibrations of the water c. tastes d. electrical output e. water pressure
Gram-positive bacteria have ____ and appear
____ under the microscope. a. thick walls; pink b. thick walls; purple c. thin walls; pink d. thin walls; purple e. none of these
X-ray crystallography has revealed and confirmed many details about the ribosome. All of the following are such details, EXCEPT ________
A) the ribosome is a dynamic structure that changes during its different functional states B) rRNAs are more likely than proteins to be the catalytic molecule of the ribosome C) the distance the tRNA must travel between the E, P, and A sites is considered to be relatively short D) rRNA in the ribosome is in direct contact with the different loops of the tRNA molecule E) the wobble hypothesis is further supported