What do we mean when we say that facilitated diffusion is specific?
a. A protein will transport specific molecules.
b. One specific integral protein per membrane is involved in facilitated diffusion.
c. Only specific hydrophobic molecules can be transported.
d. The energy molecule ATP is specifically required for transport.
Ans: a. A protein will transport specific molecules.
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An example of a pheromone in humans is
A. the mother's milk that transfers immunity to the infant. B. testosterone. C. a chemical released by males that reduces premenstrual tension in women. D. saliva exchanged during kissing (as a sexual stimulant).
Answer the following questions true (T) or false (F)
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The process of ________ enables DNA to pass its information to RNA
Fill in the blank(s) with correct word