define hydrophilic:

water makes up ________ of most organisms.

Water molecules have both a positive end and negative end. True or False?

True or False: Polar Molecules attract to eachother

Hydrogen bond is a attraction between _ charges

Hydrogen bond helps hold what 2 large molecules?

Too much water in a cell= cell swells and cell

Too little water in a cell= cell shrinks and cell

Equal amounts of water inside and outside of the cell= cell functions

The cell membrane does what?

define Selective Permeability

________________ because the membrane is flexible

A phosophlipid bilayer is made up of _ layers of phospholipids

Phospholipids have 1 phosphate head and _ fatty acid tails

Fatty acid tails are

The phosphate head is

Carbohydrate Chain is located on the outside surface of the cell and helps with cell to cell..

Cholesterol is a nonpolar molecule located in between fatty acid tails to make sure the tails dont stick together and keeps membrane...

There are four main components of a cell membrane: Phospholipid, Carbohydrate Chain.. What are the other two?