While conducting an experiment, you realize that a competitive inhibitor was interfering with your reaction. How could you overcome this problem?
A. Increase the concentration of the correct substrate in the reaction.
B. Add a cofactor to the reaction.
C. Add an allosteric activator to the reaction.
D. Add a noncompetitive inhibitor to the reaction.
Answer: A
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Which of the following factors would result in the allele frequency of a population not adding up to 1.0, as is the case in the Hardy-Weinberg rule?
A. Genetic drift B. Inbreeding C. A population changing due to selection D. None of the answers, the allele frequencies must always equal 1.0
Darwin was probably influenced most by which of the following when developing his theory of
evolution?
a. Scala Naturea b. Catastrophism c. Uniformitarianism d. Taxonomy e. Vestigial structures
What cultural trait is unique to hominins? What will be an ideal response?
Which one of the following statements is TRUE regarding the water on Earth?
A) When humans divert water from one region to another, they always ensure that it does not have an effect on normal migration patterns of other species. B) Most of the water on Earth is frozen in glaciers and ice caps. C) Residents of the less industrialized countries typically use more water than residents in industrialized countries. D) Some semiarid and desert regions of the world have reached carrying capacity for humans due to the shortage of water. E) Water is considered a renewable resource because it is plentiful in all regions of Earth.