The mating system in which males and females mate with one or many of the opposite sex and form no pair bond is known as
A) monogamy.
B) polygyny.
C) polyandry.
D) promiscuity.
D
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Commercial fertilizer labels prominently display three numbers, which indicate the content of three elements needed by most plants as macronutrients. These elements in number sequence are
A. zinc, magnesium, and potassium. B. carbon, sulfur, and nitrogen. C. nitrogen, zinc, and copper. D. nitrogen, phosphorus, and potassium. E. copper, nitrogen, and phosphorus.
Rough-skinned newts from different regions of the Pacific Northwest vary greatly in their toxicity. Rough-skinned newts are preyed upon by garter snakes that have evolved resistance to the rough-skinned newts' toxin
Assume that newts and garter snakes form a coevolutionary mosaic. Try to predict what would happen if you fed a high-toxicity newt to a garter snake from an area with low-toxicity newts? What will be an ideal response?
Membrane proteins serve many functions. One of the functions is transportation of substances across the membrane. If a cell biologist placed cells into an environment in which a chemical has been added that blocks the function of only carrier proteins, the process that will be affected is
A. active transport. B. osmosis. C. simple diffusion. D. phagocytosis. E. pinocytosis.
Which of the following cellular processes has/have been linked to cancer/tumor formation?
A) autophagy B) EGF desensitization C) caveolae uptake D) NMDA receptors E) both choices A and B