cell membrane

Question 1

what is intracellular fluid

Answer 1

inside fluid

Question 2

extracellular

Answer 2

fluid outside

Question 3

what is the structure called

Answer 3

fluid mosaic model

Question 4

what are the 2 parts of membrane

Answer 4

phosphate head, lipid tail

Question 5

what likes water

Answer 5

phospahate head

Question 6

what doesnt like water

Answer 6

lipid tail

Question 7

where is cholesterol

Answer 7

hiding in the tails, make stable

Question 8

what re the 2 types of proteins

Answer 8

channel and carrier

Question 9

what are carrier proteins

Answer 9

large opening and can reverse

Question 10

what are channel proteins

Answer 10

small always open lets little molecules through

Question 11

functions of the cell membrane

Answer 11

1. physical barrier
2. regulates passage of materials
3. sensitivity
4. support

Question 12

physical barrier purpose

Answer 12

separates the cytoplasm from extrcellular fluid

Question 13

regulation purpose

Answer 13

controlls movement in and out

Question 14

sensitivity purpose

Answer 14

can immediately detect environmental change and triggers change

Question 15

support purpose

Answer 15

give structure

Question 16

what is the membrane considered

Answer 16

semipermiable

Question 17

how are molecules restricted

Answer 17

size, solubility

Question 18

how does oxygen pass

Answer 18

lipid postion, small and soluble

Question 19

how does sodium pass

Answer 19

channel, small and fat soluble

Question 20

how does glucose pass

Answer 20

carrier, large