Bio unit 2

Question 1

Osmosis

Answer 1

Water traveling through a semi-permeable membrane (essentially cell membrane)

Question 2

Semi-permeable

Answer 2

Lets some materials trough but not others (like the egg from the lab)

Question 3

Cell membrane

Answer 3

Controls what goes in and out of the cell

Question 4

Phospholipid Bilayer

Answer 4

Two layers of lipids
one layer that is polar unequal share of elcectrons among atoms and one layer that is vice versa

Question 5

Cytoplasm

Answer 5

liquid that fills the inside of a cell and holds cells in place and protects them from damage

Question 6

Ribosomes

Answer 6

Protein

Question 7

Homeostasis

Answer 7

maintain relatively stable equilibrium

Question 8

Simple diffusion

Answer 8

a type of passive transport
moves with concentration gradient from high to low concentration

Question 9

Facilitated diffusion

Answer 9

moves with concertation gradient but doesn’t take energy and help things pass(glucose needs protein channel)

Question 10

ATP

Answer 10

Can power active transport

Question 11

Endocytosis

Answer 11

A type of active transport in which a cell englufs/invaginates a substance

Question 12

Exocytosis

Answer 12

A type of active transport in which a cell transports a substance out of a cell using a vacuole