The thymus plays an important role in ____
a. secretion of thyroxine
b. immune function
c. adrenal function
d. production of testosterone
e. sleep-wake cycles
ANSWER: b
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How do new cyclin proteins appear in the cytoplasm?
A. They are recycled. B. They are made through protein synthesis. C. They are imported from outside the cell. D. All of the above are correct.
The type of viral infection in which a virus enters a host cell and remains dormant in the host cell's chromosome is
A. a rare form of viral infection. B. a transgenic infection. C. a lytic infection. D. a systematic infection. E. a lysogenic infection.
If a parent cell undergoing mitosis has 18 chromosomes, each daughter cell will have _____ chromosomes
Fill in the blank(s) with correct word
If wire hair (W) is dominant to smooth hair (w), and you find a wire-haired puppy, which type of puppy would you use in a testcross to determine its genotype?
A. Heterozygous wire-haired puppy B. Homozygous wire-haired puppy C. Heterozygous smooth-haired puppy D. Any smooth-haired puppy E. True-breeding wire-haired puppy