Beta-lactamases
A. bind to penicillin-binding proteins.
B. bind to peptides.
C. prevent the linking of glycan chains in peptidoglycan.
D. break the beta-lactam ring.
D
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Which grouping includes all of the protists?
A. Kingdom Plantae B. Domain Eukarya C. Kingdom Animalia D. Domain Archaea
When a biologist is looking for a suitable organism in which she can study the process of evolution in a laboratory setting, what would be an important consideration?
A) The organism should be large. B) The organism should have a short generation time. C) The organism should produce relatively few offspring. D) The organism should have a complete fossil record of its ancestry.
Members of the phylum ________ are characterized by having tube feet
A) Echinodermata B) Mollusca C) Annelida D) Platyhelminthes E) Arthropoda
Koplik's spots are diagnostic for
a) rubella. b) measles. c) herpes simplex. d) chickenpox.