Antibiotics that contain a beta-lactam ring
A) bind to and cross-link peptidoglycans
B) act as an antimetabolite
C) bind to a bacterial RNA polymerase
D) are erroneously incorporated as nucleic acids
Ans: A) bind to and cross-link peptidoglycans
You might also like to view...
List the primary germ layers formed by gastrulation. What tissues will they form in the adult?
Endoderm: Mesoderm: Ectoderm:
Filtration occurs in the region labeled____
a. 1 b. 2 only c. 3 only d. 4 e. 2 and 3
Dehydration synthesis reactions are forms of ____
a. catabolism b. anabolism c. enzymatic deficiency d. intermediary metabolism e. denaturation
Eutrophication of a lake could occur if
A) phosphate-rich detergents were dumped into the lake. B) fertilizers were applied in an insoluble form. C) runoff from overfertilized lawns was prevented from reaching the lake. D) fish were removed.