The substance indicated as “B” is a(n)
a. inhibitor.
b. activator.
c. substrate.
d. coenzyme.
e. cofactor.
Answer: c
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If the pH of the mouth becomes more acidic, which of the following is true?
a. All food types are broken down chemically. b. Amylase function decreases. c. Pepsin starts breaking down proteins. d. Amylase function increases.
For applications in gene therapy, what is the most favorable characteristic of retroviruses?
A) Retroviruses have an RNA genome. B) Retroviruses possess reverse transcriptase. C) DNA copies of retroviral genomes become integrated into the genome of the infected cell. D) Retroviruses mutate often.
Nucleotides are the units of
A. ATP B. DNA and RNA C. Proteins D. Histones E. Carbohydrates
Why does the relationship between metabolic rate and temperature exist?
A) Cellular respiration requires organisms to take in heat energy. B) A by-product of cellular respiration is heat. C) Cellular respiration causes the body to cool because all the energy is used to make ATP.