A special group of chemical substances that are used to treat diseases caused by microbes:
A) antibiotics
B) synthetic drugs
C) semi-synthetic drugs
D) antimicrobial agent
Ans: D) antimicrobial agent
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What component of amino acid structure varies among different amino acids?
A) the long carbon-hydrogen tails of the molecule B) the presence of a central C atom C) the components of the R-group D) the glycerol molecule that forms the backbone of the amino acid
A researcher is studying the function of a peptide hormone in rabbits and humans. She notices that this hormone has a different effect in these two mammals, despite the hormone receptor having the same sequence (and structure) in both animals
What accounts for this difference in hormone function? What will be an ideal response?
The complete loss of either a guanine or adenine from DNA is an example of _____
A. Depurination B. Tautomeric shifts C. Deamination D. Demethylation
Which of the following is NOT a terpene?
A. the insect repellent citronella B. the anti-cancer agent taxol C. rubber D. polyvinyl E. terpentine