Flashcards in Biological Molecules Water & Inorganic Ions 3.1.7&8 water and other ions Deck (7)
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1
Give a property of water
polar, solvent, reactive
2
Why is it useful to living organisms that water is polar?
acts as a universal solvent
3
why is it useful to living cells that water is a solvent?
reactions occur faster in solution
4
why is it useful to living cells that water is reactive?
takes place in hydrolysis and condensation reactions
5
name an important ion
hydrogen, sodium, iron, phosphate
6
how do water and ions enter cells?
they can move down a concentration gradient
both move through channel proteins
ions can move against a concentration gradient by active transport
7
