Cell transport Mini unit

Question 1

Phospholipid

Answer 1

compound lipids, consisting of phosphoric acids, nitrogen base, alcohol and fatty acids

Question 2

fluid mosaic model

Answer 2

arrangement of the molecules that make up a cell membrane

Question 3

selective permeability

Answer 3

allows
some, but not all, materials to cross

Question 4

receptor

Answer 4

protein that detects a signal molecule and performs an
action

Question 5

passive transport

Answer 5

movement of molecules across a cell membrane without energy input from the cell.

Question 6

diffusion

Answer 6

movement of molecules in a fluid or gas from a region of higher concentration to a lower

Question 7

osmosis

Answer 7

membrane from an area of higher water concentration to an area of lower
water concentration.

Question 8

concentration gradient

Answer 8

the difference in the concentration of a substance from one location to another

Question 9

isotonic

Answer 9

the solution has a solute
concentration equal to the solute concentration inside a cell

Question 10

hypertonic

Answer 10

the solution has a solute concentration higher than the solute concentration inside a cell

Question 11

hypotonic

Answer 11

solution has a solute concentration lower than the solute concentration inside a cell.​

Question 12

facilitated diffusion

Answer 12

The transport of water by aquaporins