If you removed the sex pili from a bacterial cell, then the
A) bacterium would dry out.
B) bacterium could no longer exchange DNA with other cells.
C) shape of the bacterium would change.
D) bacterium could no longer regulate the movement of molecules into and out of the cell.
E) bacterium could no longer swim.
B
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Many tadpoles excrete ____, whereas adult frogs excrete ____
A. ammonia; urea B. urea; ammonia C. uric acid; ammonia D. uric acid; urea E. urea; uric acid
Bacillus and Clostridium are medically relevant groups of bacteria that characteristically stain acid-fast
Indicate whether this statement is true or false.
The site of new primary growth at the apex of a shoot is the ____
a. terminal bud b. internode c. axil d. lateral bud e. node
Most of the ocean's productivity occurs ____
a. in the open ocean b. in the intertidal zone c. in the neritic zone d. near hydrothermal vents e. in the benthic province