1st Bio Quiz Flashcards Preview

school freshman > 1st Bio Quiz > Flashcards

Flashcards in 1st Bio Quiz Deck (8)
Loading flashcards...
0
Q

Isotonic

A

Solution that Has an equal concentration of dissolved particles compared with another solution.

1
Q

Osmosis

A

Diffusion of water molecules across a semipermeable membrane from an area of lower water concentration

2
Q

Hypertonic

A

Solution that has a higher concentration of dissolved particles compared with another solution.

3
Q

Cell membrane

A

Double layer of phospholipids that forms a boundary between a cell and the surrounding environment and controls the passage of materials in and out of the cell.

4
Q

Phospholipids

A

Molecule that forms a double layer cell membrane consists of glycerol, and 2 fatty acids

5
Q

Fluid mosaic model

A

Model that describes the arrangement and movement of the molecules that make up a cell membrane

6
Q

Selective permeability

A

Condition or quality of having some, but not all, materials cross a barrier or membrane

7
Q

Receptor

A

Protein that detects a signal molecule and performs an action in response