lab quiz 3 Flashcards

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1
Q

dialysis tubing

A

tightly packed cellulose fibers with numerous small pores (size can be altered to let specific molecules through)

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2
Q

normally, large molecules (____ and larger) and highly charged molecules (such as ___) have a hard time passing through dialysis tubing

A

disaccharides; ions

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3
Q

diffusion is active or passive

A

passive movement since molecules want to spread out

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4
Q

isosmotic

A

the concentration of solutes is equal on both sides of a membrane, resulting in no net movement of water across the membrane.

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5
Q

hyperosmotic

A

the concentration of solutes is higher inside the cell, causing water molecules to move from the side with lower solute concentration to the side with higher solute concentration.

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6
Q

hyposmotic

A

the concentration of solutes is lower inside of the cell, causing water molecules to move from the side with higher solute concentration to the side with lower solute concentration

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7
Q

osmotic deals with ___, tonic deals with ___

A

cell, solution

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8
Q

osmotic deals with ___, tonic deals with ___

A

cell, solution

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