Unit 1: Chapter 6

Question 1

Define lipid

Answer 1

it is a polymer that holds fatty acids

Question 2

Define unsaturated fatty acid

Answer 2

smaller carbon tails

more liquid

Question 3

Define hypertonic

Answer 3

the solution goes out of the cell. scoots to dilute. higher number outside of the cell.

Question 4

Define solution

Answer 4

responsible for dissolving

Question 5

Define osmosis

Answer 5

movement of water that passes through semi-perm. membrane

Question 6

Define simple passive diffusion

Answer 6

requires no assistance to cross the membrane. it likes to be equal.
arrows on both sides

Question 7

Define fatty acids

Answer 7

a hydrocarbon tail connected to a carboxyl

Question 8

Define isotonic

Answer 8

equally in both directions. the solutes are equalized.

Question 9

Define hydrocarbon

Answer 9

more sold and less fluidity

Question 10

Define tricyglyceride

Answer 10

Draw a TAG

Question 11

Define amphipathic

Answer 11

compounds that are both hydrophilic and hydrophobic regions

Question 12

Define saturated fatty acid

Answer 12

more solid

looks like longer carbon tails

Question 13

Define steroid

Answer 13

membrane stabilization

Question 14

Define solute

Answer 14

a solvent plus a solution = solute

Question 15

Define concentration gradient

Answer 15

a difference in concentration that creates high and low zones.

Question 16

Define solvent

Answer 16

the one that is being dissolved

Question 17

Define selective permeability

Answer 17

certain substances are able to cross the membrane