The outer membrane of Gram-negative bacteria
A) is a rigid, protective outer shell.
B) is also referred to as endotoxin and stimulates fever and shock.
C) is the site of nutrient exchange and allows sizes and shapes of molecules to pass through it.
D) has the same chemical composition as the cell membrane.
Ans: B) is also referred to as endotoxin and stimulates fever and shock.
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Which can be absorbed in the large intestine
A. some amino acid B. vitamin k C. vitamin d D. calcium E. bile
In the United States, parathion is the most widely used member of a class of ____
a. organophosphate herbicides b. organophosphate insecticides
c. chlorophosphate fungicides d. chlorophosphate herbicides e. chlorophosphate insecticides
Studies have found that the positive-incentive value of various tastes is _________ in anorexic patients than in control patients.
(a) lower (b) higher (c) more likely to be absent (d) more variable
Polar substances are _____; nonpolar substances are _____.
a) hydrophillic; also hydrophillic b) hydrophillic; hydrophobic c) hydrophobic; also hydrophobic d) hydrophobic; hydrophillic