How do halophiles combat osmotic stress?

A) They enrich their plasma membrane with basic compounds to attract OH- ions to their cell surface.
B) They use proton pumps to export excess protons from the cytoplasm.
C) They use plasma membrane lipids that are highly branched and saturated.
D) They build special monolayer plasma membranes.
E) They keep a high concentration of organic materials and ions in their cytoplasm.


Answer: E

Biology & Microbiology

You might also like to view...

The serial endosymbiosis hypothesis states that the origin of mitochondria and chloroplasts was the result of a

mutually advantageous symbiotic relationship between two eukaryotic organisms. ______________ Indicate whether the statement is true or false.

Biology & Microbiology

The yeasts mostly belong to which group?

A. basidiomycetes B. zygomycetes C. ascomycetes D. imperfect fungi

Biology & Microbiology

What is the largest source of CO2 released into the atmosphere?

a. bacterial aerobic respiration b. bacterial anaerobic respiration c. fossil fuel combustion d. syntrophic decomposition

Biology & Microbiology

Which situation represents an example of territorial behavior?

A) Digger wasps are able to recognize the pattern of landmarks around their nests. B) Sow bugs become more active and move around randomly if they find themselves in a dry area. C) Gannets breed in dense colonies. Each gannet defends the area within the beak's reach of its nest, but gannets feeding at sea are indifferent to each other. D) Troops of monkey species use well-defined, widely overlapping ranges. Troops avoid encountering each other and are aggressive if they meet.

Biology & Microbiology