Enzymes increase the rate of a reaction by ________

A) increasing the temperature of the substrates
B) contributing electrons to the reaction
C) decreasing activation energy
D) changing the pH of the environment


C

Biology & Microbiology

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Which of the following does not occur during the third phase of glycolysis?

A. pyruvate production B. ATP synthesis C. the transfer of high-energy electrons to NAD+ D. oxygen consumption E. None of the answer options is correct.

Biology & Microbiology

The common phrase "Humans evolved from chimpanzees" really means:

A. that there was a population of chimpanzees that had mutations that made them human. B. that humans and chimpanzees share a common ancestor. C. that chimpanzees are the next group that will turn into humans. D. that chimpanzees are bipedal.

Biology & Microbiology

Given a population that contains genetic variation, what is the correct sequence of the following events, under the influence of natural selection? 1. Well-adapted individuals leave more offspring than do poorly adapted individuals. 2. A change occurs in the environment. 3. Genetic frequencies within the population change. 4. Poorly adapted individuals have decreased survivorship.

A. 2 ? 4 ? 3 ? 1 B. 2 ? 4 ? 1 ? 3 C. 4 ? 1 ? 2 ? 3 D. 4 ? 2 ? 1 ? 3 E. 4 ? 2 ? 3 ? 1

Biology & Microbiology

A collection of clones containing all the DNA sequences carried by an individual is called a genomic library

a. True b. False

Biology & Microbiology