Term
| Are lipids hydrophilic or hydrophobic? What key element do they contain? |
|
Definition
|
|
Term
| What two building blocks make up a lipid? |
|
Definition
| Isoprene chains, fatty acid. |
|
|
Term
| What are the three types of lipids found in cells? |
|
Definition
| Steroids, phospholipids, fats. |
|
|
Term
|
Definition
| Connected by a glycerol group; ester linkages; multiple hydrocarbon chains. |
|
|
Term
|
Definition
| 4-ring structure; differ in functional groups; used in hormone signaling. |
|
|
Term
| Lipid Class: Phospholipids |
|
Definition
| Phosphate "head;" glycerol/ester linkages; 2 hydrocarbon tails. |
|
|
Term
|
Definition
| Separating outside from inside; surround cell without requiring constant construction; semi-permeable membrane. |
|
|
Term
| How can a molecule reproduce? |
|
Definition
| Must be able to organize its components; must allow components to be bound together; must be a catalyst and not be used up in the process. |
|
|
Term
|
Definition
| All living things are made of one or more cells; all cells come from pre-existing cells. |
|
|
Term
| What affects the rate of diffusion across a membrane? |
|
Definition
|
|
Term
| Order from easiest to hardest to diffuse across a membrane: a) Large, uncharged polar molecules; b)hydrophobic molecules; c) small, uncharged polar molecules; d)ions. |
|
Definition
|
|
Term
| How permeable is methane? |
|
Definition
|
|
Term
| Will ATP permeate a lipid bilayer? |
|
Definition
| Almostly completely impermeable. |
|
|
Term
| How permeable is a DNA monomer? |
|
Definition
|
|
Term
| How permeable is benzene to membranes? |
|
Definition
|
|
Term
| Imagine adding a dose of cholesterol to the phospholipid membrane in one of your cells. What effect will this have on the membrane? |
|
Definition
| The membrane will be less permeable. |
|
|
Term
| Name the transport/diffusion mechanism: membrane is permeable to X, movement down the gradient. |
|
Definition
|
|
Term
| Name the transport/diffusion mechanism: Membrane is permeable to X, movement up the gradient. |
|
Definition
|
|
Term
| Name the transport/diffusion mechanism: Membrane is not permeable to X, movement down the gradient. |
|
Definition
|
|
Term
| Name the transport/diffusion mechanism: Membrane is not permeable to X, movement up the gradient. |
|
Definition
|
|
