Before an amino acid can be broken down for energy
A. it must be phosphorylated.
B. it must be converted to NAD+.
C. the carboxyl group must be removed.
D. the amino group must be removed.
E. the side chain must be removed.
Answer: D
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A. the lamina propria B. endothelium C. a synovial membrane D. a serous membrane (serosa) E. a mucous membrane (mucosa)
What kind of bonds do the mineral salts form?
a. hydrogen b. ionic c. covalent d. isotopic
Sperm cells get energy to power their movement from ________, which is contributed by the ________.
A. sucrose; bulbourethral gland B. semen; seminiferous gland C. fructose; seminal vesicles D. seminogelin; prostate E. prostaglandins; prostate
Which is TRUE about hormone binding to the proteins found in plasma?
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