When the body experiences stress, the sympathetic division of the autonomic nervous system
stimulates the adrenal medulla to release
a. epinephrine.
b. norepinephrine.
c. knockout hormones.
d. epinephrine and norepinephrine.
e. epinephrine, norepinephrine, and knockout hormones.
D
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Which of the following things are made (in part) of carbon? Select all that apply
A. the shells of clams and other mollusks B. the glucose/sugars in fruits C. limestone at the bottom of the sea D. certain gases in the atmosphere
Structurally, starch exists as both unbranched polysaccharide chains called ________ and branched polysaccharide chains called ________
Fill in the blank with correct word.
Fungi are ecologically important for all of the following reasons, except
A. They can break down lignin. B. Some can ferment and produce bread, beer, wine, cheese, and soy sauce. C. Some cause diseases in plants and animals. D. They break down organic materials and return them to the ecosystem. E. All can exist in symbiotic relationships.
The Ames test demonstrates that a chemical is
A) carcinogenic. B) carcinogenic in Salmonella. C) mutagenic in Salmonella. D) carcinogenic in humans. E) mutagenic in humans.