cellular transport

Question 1

“gatekeeper of the cell”

Answer 1

Cell membrane

Question 2

explain ph levels

Answer 2

0-6 acidic
8-14- basic
7 neutral

Question 3

all cells have cell membrane made of ______, _______, and _______. That’s why it’s called Phospholipid Bilayer.

Answer 3

Phosphate, proteins, lipids

Question 4

A single phospholipid has _______ phosphate heads and _______fatty acid tails

Answer 4

Hydrophilic (water loving)
Hydrophobic (water hating)

Question 5

a process that doesn’t require energy

Answer 5

passive transport

Question 6

HIGH to LOW concentration transport

Answer 6

Passive

Question 7

is the movement of small particles across the cell membrane.

Answer 7

diffussion

Question 8

requires the help of carrier& channel proteins

Answer 8

facilitated diffusion

Question 9

is the movement of water through a selectively membrane like the cell membrane

Answer 9

osmosis

Question 10

high concentration of solute relative to another solution. The water diffuses ____ of the cell, causing it to _____

Answer 10

Hypertonic solution
out, shrivel

Question 11

low concentration of solute. the water diffuses _____ the cell, causing the cell to _____ and possibly ______.

Answer 11

Hypotonic solution
into, swell, explode

Question 12

contain the same concentration of solute, the water diffuses _____ of the cell.

Answer 12

Isotonic solution
into&out

Question 13

transport that uses energy

Answer 13

Active transport

Question 14

how materials exit the cell

Answer 14

exocytosis

Question 15

how materials enter the cell

Answer 15

endocytosis

Question 16

cell drinking material. how small materials enter the cell.

Answer 16

Pinocytosis

Question 17

cell eating material. how larger materials enter the cell.

Answer 17

Phagocytosis

Question 18

proteins that work as pumps are called _______

Answer 18

protein pumps

Question 19

Explain the bulk transport

Answer 19

accomplished by endo&exocytosis.

endo= phago&pino