Myoglobin
a. can store small amounts of O2
b. increases the rate of O2 transfer from the blood into muscle fibers
c. is abundant in fast-glycolytic fibers
d. can perform a and b
e. has characteristics a and c
D
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Select the correct statement regarding the stem cells of connective tissue
A) Chondroblasts are the main cell type of connective tissue proper. B) Connective tissue cells are nondividing. C) "Blast" cells are undifferentiated, actively dividing cells. D) Connective tissue does not contain cells.
____________________ ions function as the intracellular signal for contraction
Fill in the blank(s) with correct word
Night blindness could be caused by
A. a lack of iodopsin. B. a lack of vitamin C in the diet. C. too much vitamin A in the diet. D. a lack of rhodopsin. E. a lack of cones.
When did the hominoids first appear?
A) Holocene B) Eocene C) Oligocene D) Miocene