Match the following items with the correct phrases.
_______1. Semisynthetic penicillins that are known as penicillinase-resistant penicillins.
_______2. Examples of antibiotics that inhibit cell wall synthesis.
_______3. Semisynthetic penicillins that are not resistant to penicillinase.
_______4. Examples of antibiotics that inhibit protein synthesis.
_______5. Examples of antibiotics produced by molds.
a. penicillin, bacitracin, cephalosporins, vancomycin
b. ampicillin and carbenicillin
c. methicillin, oxacillin, cloxacillin, nafcillin
d. tetracycline, chloramphenicol, erythromycin, streptomycin
e. penicillin and cephalosporins, but not bacitracin and vancomycin
1. c. methicillin, oxacillin, cloxacillin, nafcillin
2. a. penicillin, bacitracin, cephalosporins, vancomycin
3. b. ampicillin and carbenicillin
4. d. tetracycline, chloramphenicol, erythromycin, streptomycin
5. e. penicillin and cephalosporins, but not bacitracin and vancomycin
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The observable characteristics of an organism are called its ___________
A. Phenotype B. Genotype C. Dominance D. Genes E. None of the answers are correct
The clonal selection theory implies that
A. related people have similar immune responses. B. antigens activate specific lymphocytes. C. only certain cells can produce interferon. D. memory cells are present at birth. E. the body selects which antigens it will respond to.
Energy enters most ecosystems by the process of
A. biosynthesis. B. respiration. C. biogeochemical weathering. D. photosynthesis. E. fermentation.
____________________ is a general term used to describe disorders that can lead to kidney failure. Fill in the blank(s) with the appropriate word(s)