Primary protein structure is formed by
a. hydrophobic interactions.
b. hydrogen bonds.
c. bonds between amino acids.
d. covalent linkages between carbon and oxygen.
e. all of these.
Answer: c
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A protein that has had its physical and chemical properties changed is said to be
A. denatured. B. dysfunctional. C. hydrolyzed. D. saturated.
Which of the following statements about antibiotics is FALSE?
a. Penicillin was the first antibiotic isolated from bacteria and was widely used to fight bacterial infections. b. Antibiotics, though effective against viruses, are not effective against bacteria. c. Antibiotics help microbes compete with other microbes. d. Antibiotics are used not just in human health care, but also in agriculture. e. Antibiotic-resistant microbes undergo selection in humans who are taking antibiotics
What can be inferred from the accompanying graph?
a. This reaction is endergonic, with a positive ?G. b. This reaction is endergonic, with a negative ?G. c. This reaction is exergonic, with a positive ?G. d. This reaction is exergonic, with a negative ?G. e. There is not enough information to make a determination.
The large organism shown here belongs to the
__________ group? a. kinetoplastids b. diplomonads c. green algae d. red algae e. brown algae