The surface area of the inner mitochondrial membrane is greatly increased by ____
a. cristae
b. the matrix
c. centrioles
d. nucleoli
e. microfilaments
ANSWER: a
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Cigarette smoking increases the need for Vitamin C and the requirement for vitamin C for smokers is 35 mg above the DRI. Although smoking is certainly not indicated during pregnancy, if Moyra Doyle were a smoker, what would her DRI for Vitamin C be?
a. 85 mg b. 100 mg c. 120 mg d. 110 mg
In alternation of generations, a haploid gametophyte goes through mitosis to form a gamete.
A. haploid . B. sporo- C. tetraploid D. diploid E. micro-
Plants adapted to edge environments tend to be
A) tolerant of shade and prefer moisture. B) tolerant of shade and dry conditions. C) intolerant of shade and prefer moisture. D) intolerant of shade and tolerant of dry conditions.
Refer to Figure 31-5. What is the function of the structure labeled 5?
A. circulation B. reproduction C. digestion D. movement E. respiration