Hormones are released
a. by exocrine glands.
b. directly into the fluid surrounding the gland.
c. through ducts.
d. through tubes.
e. directly into intracellular fluid of the gland.
B
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Which of the following contributes to the apparent contradiction that the size of an organism's genome is not directly related to the complexity of the organism? (Choose all that apply)
A. having more than two copies of each chromosome B. a change in the amount of highly repetitive DNA sequences C. a change in the amount of moderately repetitive DNA sequences D. varying susceptibility to viral infection
An example of a primary sex characteristic is _______.
A. facial hair B. penis C. deeper voice D. all of the above
If the base sequence of template strand reads GCCATTAC, what is the base sequence of the mRNA?
A) CGGUAAUG B) CGGTAATG C) CGGTUUTG D) GCCAUUAC
Bivalves are filter-feeders that draw a current of water in through a tube called the ________, across their gills, where tiny food particles are captured.
a. cephalopod b. excurrent siphon c. incurrent siphon d. gill tube e. cnidocyst