During rest which structure will act as a reservoir and hold the majority of the body's blood supply?
a. Arteries
b. Liver
c. Heart
d. Spleen
e. Veins
e
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Chlorophyll a is the most common photosynthetic pigment in plants. It's abundance gives plants their green color. This is because it:
a. absorbs light of low wavelengths (400-500 nm) b. reflects green light c. absorbs yellow and blue light d. absorbs green light e. is a translucent pigment which does not influence the color of the plant
Menstruation occurs when there is a decrease in
A) levels of estrogen and progesterone. B) the number of follicles. C) levels of FSH and LH. D) endometrial thickness. E) the number of sperm present.
CODIS (Combined DNA Index System) is a database that contains DNA profiles from all of the following EXCEPT ________
A) crime scene evidence B) public servants C) people convicted of certain crimes D) unidentified remains
Enzymes are
A. broken down in reactions that require energy input. B. not needed for catabolic reactions. C. proteins that function as catalysts. D. used up in chemical reactions. E. All of these choices are correct.