The first peptide hormone discovered in plants was ____, which functions in wound response in the tomato
a. cytokinin
b. systemin
c. gibberellin
d. jasmonate
e. salicylic acid
ANSWER: b
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Which of the following is not an essential component of the bacterial elongation stage of translation?
A. functional 70S ribosome B. EF-Ts C. aminoacyl-tRNAs D. ATP
Molecules that are able to store and reproduce genetic information are known generally as ____
a. molecular hard drives b. molecular replicators c. DNA d. RNA e. ribozymes
The difference between innate immunity and adaptive immunity is that
A) adaptive immunity attacks pathogens; innate immunity attacks microbes. B) innate immunity targets cancers and transplants; adaptive immunity targets viruses and bacteria. C) innate immunity is fast and generalized; adaptive immunity is slow and specific. D) adaptive immunity releases cytokines; innate immunity produces antibodies.
All of the following are foodborne pathogens except
A. Streptococcus. B. Campylobacter. C. Salmonella. D. Staphylococcus aureus. E. Clostridium.