Prokaryotes have their genetic information stored in:
a. several small, circular pieces of DNA.
b. a single, small, circular piece of DNA.
c. a large, linear piece of DNA.
d. several small, linear pieces of DNA.
e. a large, circular piece of DNA.
E
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A peptide bond _____
A) forms between the functional R-groups of different amino acids B) forms between the central carbon and the amino R-group of a single amino acid C) forms the primary structure of proteins D) does not play a role in maintaining the tertiary structure of proteins
Which is false regarding passive transport?
a. It depends on concentration or electrical gradients. b. It involves weak binding between solute and protein. c. It requires an energy input. d. It depends on protein shape change. e. None of these are false.
The phenol coefficient is one of the most widely used measurements of an antimicrobial agent's effectiveness
Indicate whether the statement is true or false
Which term describes human pathogens?
A) Thermophiles B) Mesophiles C) Halophiles D) Acidophiles E) Psychrophiles