The active sites of enzymes are
A) bonds between the substrate and certain amino acids.
B) products of an enzymatic reaction.
C) not necessarily involved in a reaction.
D) regions of an enzyme that are involved in bringing substrates together.
D) regions of an enzyme that are involved in bringing substrates together.
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The aging process is called
A) neonate stage. B) puberty. C) senescence. D) adolescence. E) weaning.
Bill contracts a viral disease that destroys cells in the posterior gray horns in his spinal cord. As a result, which of the following would you expect?
A) loss of sensation in his torso B) inability to breathe C) problems with moving his arms D) uncontrollable sweating of his feet E) problems with moving his legs
Which of the following is NOT a form of RNA used in protein synthesis?
A. Ribosomal RNA B. Messenger RNA C. Transfer RNA D. Negative RNA
Which of the following is not a requirement for measurement of the basal metabolic rate (BMR)?
a. the person must not have exercised for at least 30 minutes. b. the person must not have eaten any food within 12 hours. c. the person must have slept at least 7 hours the previous night. d. the person should be at mental rest during the measurement. e. the measurement should take place at a comfortable room temperature.