Testosterone and other androgens are required for ______ in men.
A. spermatogenesis
B. primary sex characteristics
C. secondary sex characteristics
D. two of the above
E. all of the above
Ans: E. all of the above
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In plants and algae, __________ is the source of the electrons needed for photosynthesis
A. O2 B. CO2 C. H2O D. NADPH E. H+
Which of the following is NOT a primary taste?
a. sour b. creamy c. umami d. sweet e. bitter
In bacteria, splicing of proteins occurs ________.
A. cotranslationally, and minimally involves splicing the N-formyl group from the initiator amino acid as it exits the ribosome B. posttranslationally, and always involves splicing the first two amino acids from the N-terminus as it exits the ribosome C. cotranslationally, and always involves splicing the first two amino acids from the N-terminus as it exits the ribosome D. posttranslationally, and minimally involves splicing the N-formyl group from the initiator amino acid as it exits the ribosome
Ashante is having surgery for a blocked coronary artery. The physician is inserting a catheter with a tiny balloon to open the blocked vessel. What is this procedure called, and what else might the physician do to keep the artery open in the long term?
What will be an ideal response?