Which is mismatched?
A. Florey and Chain-penicillin
B. Fleming-penicillin
C. Domagk-sulfonamide
D. Ehrlich-tetracycline
Answer: D
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If all functional groups are removed from an organic molecule, leaving only a hydrocarbon chain, the molecule becomes a:
A. Lipid B. Carbohydrate C. Protein D. Nucleic acid
In a ________ assay, DNA extracted from a microbial community or environmental sample is incubated with selected complementary probe or sample sequences (often ________) and allowed to hybridize. The level of hybridization to each probe (gene) is measured. Analysis of DNA hybridization thus reveals the presence or absence of the specific genes in the environment. Most importantly, this can be done without ________.
What will be an ideal response?
Nephrotic syndrome is characterized by ____
a. large amounts of protein in the urine b. the inability to thermoregulate c. the inability to urinate d. large amounts of urea in the urine e. increased urine production
An examination of the processes of muscle contraction in fishes is an example of
a. an ecological study. b. a taxonomic study. c. an anatomical study. d. a physiological study. e. a homeostatic study.