Beta-lactams are selectively toxic because
A. they inhibit the formation of peptidoglycan, which humans do not make.
B. they cause hepato- and nephrotoxicity in humans.
C. they often initiate the evolution of drug-resistant organisms.
D. they initiate allergic reactions in many humans.
Answer: A
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Mixed cultures are also referred to as contaminated cultures.
Answer the following statement true (T) or false (F)
Which of the following is a result of glycolysis?
A) production of CO2 B) conversion of glucose to pyruvic acid C) a net loss of two ATPs per glucose molecule D) conversion of NADH to NAD+
What evidence do you have that your transfers were successful?
What will be an ideal response?
Prions are
A. viral-infected cells. B. proteins coded by genes. C. viral nucleic acids integrated into the host chromosomes. D. strands of nucleic acids encased in a protein coat. E. infectious proteins with no associated nucleic acid.