Evolutionary biologists believe that females prefer attractive mates mainly because ____
a. attractive mates confer status in hierarchical societies
b. attractiveness is a predictor of good performance and survivorship
c. ornaments such as bright plumage stimulate her visual system
d. superior ornaments deter rival males
e. a sense of aesthetics is shared by both higher animals and humans
B
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Glucose is broken down through cellular respiration, which involves a large number of chemical reactions. At the end of the cellular respiration process, a large number of ATP molecules are generated, but yet, not all of the possible energy that is contained in a molecule of glucose can be harnessed through these chemical reactions to generate ATP. In other words, during cellular respiration, not all of the energy that is contained in a molecule of glucose is converted into the energy stored in ATP. What happens to the remaining energy?
A. It is destroyed B. It is used to drive exergonic reactions C. It is donated to molecules in the cellular respiration process to reduce them D. It is lost as heat
What information can a DNA library provide?
1.It provides the sequence of all the genes in a given organism. 2.It can reveal minor differences in the number of tandem repeats in an individual. 3.It can be used to isolate a particular gene of interest using a labeled probe. 4.It can be used to analyze DNA from crime scenes.
Space is a factor involved in determining
A. gene flow. B. evolution. C. carrying capacity. D. None of these answers is true.
The most effective HIV treatment includes
A. several different protease inhibitors B. several different drugs each directed at different enzymes (reverse transcriptase, integrase, fusion, and protease). C. several different drugs designed to inhibit reverse transcriptase. D. several different fusion inhibitors and reverse transcriptase inhibitors.