Biology

Question 1

Phospholipid Head

Answer 1

Hydrophilic - water loving

Question 2

Phospholipid Tail

Answer 2

Hydrophobic - water fearing (repulsion of water)

Question 3

Water

Answer 3

Both sides of the cell membrane are surrounded by water molecules

Question 4

Peripheral proteins

Answer 4

Located on the interior surface and exterior surface of the membrane

Question 5

Integral proteins

Answer 5

The proteins that are embedded in the bilayer

Question 6

bilayer

Answer 6

The space between the two layers that are created by the phospholipids

Question 7

Cell size

Answer 7

Cells are limited in size by amount of surface area they have compared to their total volume (the amount of space that is taken up)

Question 8

diffusion

Answer 8

The movement of molecules from an area of higher concentration to an area of lower concentration

Question 9

osmosis

Answer 9

Movement of WATER from an area of H -> L
Process by which water molecules diffuse across a cell membrane

Question 10

equilibrium

Answer 10

Happens when the concentration of molecules of a substance of a substance is the same throughout a space

Question 11

Turgor pressure

Answer 11

Pressure that water molecules exert against the cell wall

Question 12

homeostasis

Answer 12

The process of maintaining stable internal conditions of a living thing. (Ex: Blood, body temperatures.)

Question 13

solution

Answer 13

A mixture in which one or more substances are uniformly distributed in another substance

Question 14

solvent

Answer 14

The substance in which the solute is dissolved (usually water)

Question 15

solute

Answer 15

The substances dissolved in the solution (salt, sugar, etc)

Question 16

Passive Transport

Answer 16

a type of membrane transport that does not require energy to move substances across cell membranes.

Question 17

Plasmolysis

Answer 17

The shrinking or wilting of a cell in a hypertonic environment

Question 18

Hypertonic

Answer 18

When the concentration of solute molecules outside the cell is higher than the concentration in the cell

Question 19

Hypotonic

Answer 19

When the concentration of solute molecules outside the cell is lower than the concentration in the cell

Question 20

Concentration

Answer 20

The measurement of the amount of solute dissolved in a fixed amount of solution

Question 21

Isotonic

Answer 21

When the concentration of solute outside and inside the cell are equal