Which traits of prokaryotes allows some bacteria to survive extreme conditions for long periods of time?

a. aerobic respiration (getting energy from food, without oxygen)


b. endospore formation (making a strong, long lasting spore and suspending metabolism temporarily)


c. conjugation (exchanging genetic information with other bacteria)


d. binary fission (the way bacterial cells divide to make two





66. Which of the following lacks cytoplasm and can not process energy or reproduce themselves?





a. virus


b. bacteria


c. cyanobacteria or photosynthetic bacteria


d. plant cell


e. animal cell





69. Antibiotics were first isolated from_______ and are active against _________.





a. fungi; viruses


b. bacteria; viruses


c. bacteria; other bacteria


d. fungi; bacteria


e. fungi; protists





70. An organism has to be multicellular to move purposely through its environment.





a. True.


b. False

Which traits of prokaryotes allows some bacteria to survive extreme conditions for long periods of time?
1st one: b (not a since most extreme conditions has no oxygen. c and d are reproductive mechanisms... doesn't really help survival)


66. a


69. d. (Penicillin)


70. b. (chemotaxis - movement of bacteria in response to chemical signals often via flagellar)
Reply:1. b


66. a


69. d.


70. b
Reply:b


a


d


b
Reply:b


a


d


b