Which of the following features are shared by all of the jawed fish?
A. ectothermic, smooth nonscaly skin and bony skeleton
B. bony exoskeleton, gills and scales
C. cartilaginous or bony endoskeleton, gills and scales
D. endothermic, gills and scales
Answer: C
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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.
what are three antibiotics used to inhibit cell wall synthesis
What will be an ideal response?
Blood pressure drives filtration in the ____.
A. urethra B. renal artery C. glomerulus D. plasma E. sodium-potassium pumps
Pea plants are self-pollinators. What can you further deduce about peas? (Check all that apply.)
A. Peas will be more resistant to new plant diseases. B. Peas will be more resistant to garden pests than other plants. C. To perform his pea cross-pollination experiments, Gregor Mendel must have first removed the stamens from flowers to prevent self-pollination. D. Peas are less likely to invade highly variable natural environments than other plants. E. A gardener planning to collect heirloom seeds can plant different varieties of peas near each other.