Solutes and Water Activity: major stressor

What will be an ideal response?


•water activity (aw)
-amount of water available to organisms
-reduced by interaction with solute molecules (osmotic effect)
higher [solute] Þ lower aw
-Measured as vapor pressure over solution relative to pure water

Biology & Microbiology

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Given what you now know, what information is most likely to produce the correct answer?

What will be an ideal response?

Biology & Microbiology

Mitotic divisions reduce the number of chromosomes found in daughter cells. Indicate whether the statement is true or false

Biology & Microbiology

A ____ is an example of a nonvascular plant. 

A. liverwort B. rose C. red pine D. maiden hair fern

Biology & Microbiology

How does DNA polymerase differ from RNA polymerase?

A. Only DNA polymerase uses a template DNA strand to direct synthesis of a new nucleotide strand. B. Only DNA polymerase has a proofreading ability. C. Only RNA polymerase requires a primer. D. Only RNA polymerase adds new nucleotides to the 3' end of a growing chain.

Biology & Microbiology