7-3 7-4 Vocab

Question 1

Cell wall

Answer 1

Supporting layer around the membrane normally in plant cells

Question 2

Lipid bilayer

Answer 2

Double layered sheets that make up the cell membrane

Question 3

Concentration

Answer 3

Mass of solute in solutions

Question 4

Diffusion

Answer 4

Particles moving from an area of high concentration to an area of lower concentration

Question 5

Equilibrium

Answer 5

Concentration is the same throughout a solution

Question 6

Osmosis

Answer 6

Diffusion of water through a selectively permeable membrane

Question 7

Isotonic

Answer 7

Two solutions are the same strength

Question 8

Hypertonic

Answer 8

The more concentrated of twosolutions

Question 9

Hypotonic

Answer 9

Solution that is less concentrated

Question 10

Facilitated diffusion

Answer 10

Extra channels for molecules that cannot diffuse across the regular cell membrane

Question 11

Active Transport

Answer 11

Requires energy to move materials against the concentration gradient

Question 12

Endocytosis

Answer 12

Taking materials into the cell by pockets of the cell membrane

Question 13

Phagocytosis

Answer 13

Cytoplasm surrounds a particle and packages it in a cell vacuole from there the cell engulfs it

Question 14

Pinocytosis

Answer 14

Pockets in the membrane take up liquid, pinch off, and form vacuoles

Question 15

Exocytosis

Answer 15

Membrane of the vacuole joins with cell membrane and forces the contents out of the cell

Question 16

Cell specialization

Answer 16

Cells develop different ways temper form different tasks

Question 17

Tissue

Answer 17

Group of similar cells that perform the same function

Question 18

Organ

Answer 18

Many tissues grouped together

Question 19

Organ system

Answer 19

Organs that work together to perform a function

Question 20

Cell Membrane

Answer 20

Thin, flexible barrier surrounding the cell; controls what comes into and goes out of the cell