Archaea and bacteria diverged:
a. before archaea and eukarya diverged.
b. after archaea and eukarya diverged.
c. when archaea and eukarya diverged.
d. after bacteria and eukarya diverged.
e. before bacteria and eukarya diverged.
Ans: a. before archaea and eukarya diverged.
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A. mitochondria B. cytoplasm C. nucleus D. ribosome
A flexible, spiral-shaped bacterium is called a
A) spirochete. B) vibrio. C) coccobacillus. D) spirillum. E) sarcina.
During which growth phase are bacteria more susceptible to antimicrobial drugs?
A. lag phase B. log phase C. stationary phase D. death phase E. The susceptibility is the same for all phases.
The nucleus, an organelle found in eukaryotic cells, confines the __________, keeping them separated from other components of the cell
(a) lysosomes (b) chromosomes (c) peroxisomes (d) ribosomes