The period of interphase when cell growth, organelle manufacturing, and preparation for DNA replication occurs is the
A. G1 phase.
B. G2 phase.
C. mitotic phase.
D. S2 phase.
Answer: A
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Why might someone want to take erythropoietin in a non-medical situation?
A) to increase muscle mass B) to sleep C) to increase oxygen-carrying capacity and increase stamina D) to increase the chance of getting pregnant E) to increase sex drive
If you shine a light into one eye both pupils will constrict. The best explanation for this is ________
A) sensory input from the retinas of both eyes converges at the optic chiasm and information from each eye is delivered to both the left and right sides of the brain B) information from one eye is directly and immediately transferred to the other eye to maintain alignment of the eyes C) a small portion of light always enters the other eye D) this in fact does not occur and information from both eyes is always separated
Which of the following is not a function of the lymphatic system?
a. Defense against disease b. Return of fluid to the circulatory system c. Transport of fat molecules d. Regulation of sodium balance e. Return of proteins to the circulatory system
Of the three artery types, the elastic arteries have the greatest ability to vasoconstrict and vasodilate.
Answer the following statement true (T) or false (F)