Metabolism is the sum of all the:
A) chemical reactions that a cell carries out.
B) energy a cell uses.
C) ATP a cell contains.
D) enzymes a cell contains.
E) vitamins a cell contains.
Answer: A
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Which of the following viruses is considered a childhood disease, and is known to cause "three-day measles"?
A. rubella B. roseola C. echovirus D. coxsackie A virus E. rhinovirus
Which of the following is more general in terms of classifying an organism?
a. Family b. Order c. Species d. Class
Which will require a longer time to kill?
A. a smaller population of microorganisms B. a larger population of microorganisms C. Killing will be equally as rapid in a large or a small microbial population. D. There is no way to predict which will require a longer kill time.
The DNA sequence recognized by restriction endonucleases is generally ____ base pairs long
a. 1-2 b. 4-8 c. 10-15 d. 24-32 e. 36-47