A major function of prokaryotic gas vesicles is to
A) confer buoyancy on cells by decreasing their density.
B) serve as a reservoir for oxygen and carbon dioxide.
C) keep the cell's organelles separated during flagellar motion.
D) store oxygen for aerobic growth when oxygen becomes depleted in the environment.
Answer: A
You might also like to view...
If two populations are geographically restricted groups of the same species, but display one or more traits that are somewhat different, the two groups are sometimes classified as
A. subspecies B. ecotypes C. macrospecies D. morphological species E. subspecies or ecotypes
A reaction where an electron is lost is called ________.
A. reduction B. oxidation C. ionization D. decomposition E. dissolution
A woman with blood type AB and a man with blood type O have three children, one of whom is adopted. The blood types of the children are A, B, and O. What is the blood type of the adopted child?
A) A B) O C) B D) Not enough information is provided to answer this question.
Which of the following matches the organisms described with the correct domain?
a. bacteria--unicellular, eukaryotic organisms that always lack cell walls b. archaea--multicellular, eukaryotic organisms that do not have cell walls c. bacteria--unicellular, eukaryotic organisms with cell walls that do not contain peptidoglycan d. eukarya--single-celled and multicellular organisms, with a defined nucleus and a variety of nutritional sources