What type of receptor is not an enzyme, but is directly associated with an enzyme that can hydrolyze GTP?
A. Channel-linked receptor
B. Enzymatic receptor
C. G protein-coupled receptor
D. Steroid hormone receptor
C. G protein-coupled receptor
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Which of the following substances is secreted by an endocrine gland?
a. Tears b. Breast milk c. Wax d. Saliva e. Hormones
Four of the five answers listed below are the results of fertilization. Select the exception
a. fruit b. seed c. embryo d. pollen e. endosperm
Actual assembly of sugars during
photosynthesis a. occurs during light-independent reactions. b. takes place in the stroma. c. requires NADPH. d. requires ATP. e. does all of these.
Scientists commonly use bacteria in genetic engineering because bacteria
A.) naturally make insulin B.) infect viruses C.) mutate quickly D.) can contain plasmids