Four of the five answers listed below are found
in RNA molecules. Select the EXCEPTION.
a. adenine
b. guanine
c. thymine
d. uracil
e. cytosine
C
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Which of the following explains the function of a cuticle on land plants?
a. providing a waterproof cover to leaves and stems b. facilitating the intake of carbon dioxide for photosynthesis c. regulating the flow of gases and water vapor d. deterring animals with poisonous secondary metabolites
The most widely used herbicide in the world, 2,4-D, is a synthetic form of
a. abscisic acid. b. ethylene. c. salicylic acid. d. gibberellin. e. auxin.
The rapid mitotic division of the zygote as it moves along the oviduct on its way to the uterus, becoming a pre-embryo. _____
A) Human chorionic gonadotropin
B) Zygote
C) Chorion
D) Morula
E) Folic acid
F) Fertilization
G) Blastocyst
H) Parturition
I) Cleavage
J) Ovulation
K) Placenta
L) Implantation
Overproduction, variation, limits on population growth, and differential reproductive success are all components of:
a. gradualism. b. genetic inheritance. c. punctuated equilibrium. d. evolution by natural selection. e. evolution by inheritance of acquired characteristics