The fact that the two strands composing a DNA molecule are called antiparallel has to do with the orientation of the
a. sugar molecules.
b. bases.
c. phosphate molecules.
d. hydrogen bonds.
e. sulfide bonds.
A
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Meeting the needs of the present generation without reducing the ability of future generations to meet their own needs is the goal of
a. sustainability b. ecology c. conservation biology d. sociology e. biology
One hundred million sperm are produced daily in the
a. interstitial cells. b. prostate. c. seminiferous tubules. d. vas deferens. e. epididymis.
________ was an early human ancestor thought to be among the first tool makers
Fill in the blank(s) with correct word
Through nervous stimulation, the hypothalamus controls the release of which hormone?
A) thyroid-stimulating hormone B) adrenaline C) growth hormone D) follicle-stimulating hormone E) glucagon