The receptors for peptide hormones are located ____
a. in the cytoplasm
b. on the mitochondrial membranes
c. in the synapse
d. on the exterior surface of the cell membrane
e. in the nucleus
ANSWER: d
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In a mammal's bloodstream, where would you expect to find oxygen? Select all correct
A. dissolved in blood plasma B. attached to the heme group of myoglobin in red blood cells C. attached to the heme groups of hemoglobin in red blood cells D. attached to the heme group of myosin in red blood cells E. dissolved in hemolymph
Which of the following statements is an example of anecdotal evidence?
A) Dr. Chowdury's research on bowel disorders, which was published in a scientific journal B) Dr. Jackson's infomercial statement "I believe my personal cure for bowel disorders is more effective than any drug I've ever prescribed in 20 years of practicing medicine." C) information about side effects on the label of a bowel disorder drug D) an article on bowel disorders on a medical website
Which of the following statements about nucleic acids is FALSE?
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Which of the following classification methods relies on the morphology of organisms?
A. phage typing B. physical characteristics C. biochemical tests D. analysis of nucleic acids E. serological tests