To allow cell wall extension with new peptidoglycan during cell division, preexisting peptidoglycan is severed using ________ to cleave the ?-1, 4 glycosidic bonds

a. autolysins
b. crescentins
c. transglycosylases
d. both autolysins and transglycosylases


Answer: A

Biology & Microbiology

You might also like to view...

Over the last 400,000 years, how have atmospheric CO2 levels changed? Select all that apply

A. Atmospheric CO2 levels have remained the same. B. Atmospheric CO2 levels have been steadily increasing overall. C. Atmospheric CO2 levels have been steadily decreasing overall. D. Atmospheric CO2 levels have fluctuated periodically.

Biology & Microbiology

What type of thinking is required?

What will be an ideal response?

Biology & Microbiology

On a road trip in the American West, you see a prairie dog town – a colony of related animals. There are hundreds of prairie dogs, but only a subset are scanning for predators at any time. If a predator is spotted, a prairie dog barks to warn the rest of the colony, who dart into their burrows. Prairie dogs have a complex vocabulary of alarm calls, which differ to indicate hawks, coyotes, or humans. What feature of group living is best illustrated by the prairie dog alarm system?

A. the many-eyes hypothesis B. the geometry of the selfish herd C. reciprocal altruism D. haplodiploidy E. optimality theory

Biology & Microbiology

The ____ a photon’s wavelength, the ____ its energy

a. shorter; greater b. longer; greater c. shorter; less d. longer; more variable e. shorter; more variable

Biology & Microbiology