RNA can be used as a template for the production of DNA through the action of ____
a. DNA polymerase
b. RNA polymerase
c. reverse transcriptase
d. ligase
e. restriction endonuclease
ANSWER: c
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One of the following is not a part of its paired
term. Choose the exception.
a. atom; organism b. community; ecosystem c. population; cell d. molecule; biosphere e. species; community
Which example shows nonevolutionary change in a population?
A) an increase in mosquitoes that are resistant to insecticide B) plants in a dry climate that have faster-growing roots than plants found there 20 years ago C) after decreases in airborne soot, a change in the most common color of moths D) an increase in the number of people diagnosed with colon cancer
Which of the following statements is NOT true concerning enzymatic activity?
a. Each enzyme has a preferred pH at which the enzyme reaction rate is highest. b. Above a certain temperature, an enzyme will become denatured. c. As the temperature increases, most enzymatic reactions will still proceed at the same rate. d. Enzymatic reactions proceed quite rapidly. e. Enzyme activity increases as substrate concentration increases until the maximum rate is achieved.
Social brain hypothesis states that in general animals with a larger neocortex will be more independent because they can function more efficiently, thus negating any usefulness derived from being social
a. true b. false