dos

Question 1

All cells are surrounded by a cell membrane also known as?

Answer 1

Plasma membrane

Question 2

(2) Cell membrane _____ every cell and
maintains cellular _____, thus
keeping all contents of the cell
from spilling out.

Answer 2

encloses, integrity

Question 3

is a physical
barrier that separates a cell
from the surrounding environment.

Answer 3

Cell membrane

Question 4

The cell membrane also ______ the
exchange of materials inside the cell with its surroundings and gets rid of the waste.

Answer 4

regulates

Question 5

the cell membrane is selectively permeable or ____

Answer 5

semi-permiable

Question 6

It was proposed by J. Singer and G. Nicolson in 1972.

Answer 6

Fluid mosaic model

Question 7

refers to something that contains many different parts

Answer 7

Mosaic

Question 8

protein with carbohydrate attached

Answer 8

Glycoprotein

Question 9

lipid with carbohydrate attached

Answer 9

Glycolipid

Question 10

The plasma membrane
is a mosaic of (4)

P.C.P.C

Answer 10

phospholipids, cholesterol, proteins, and carbohydrates.

Question 11

means water-fearing
do not mix with water

Answer 11

Hydrophobic

Question 12

water-loving
mix well with water

Answer 12

Hydrophilic

Question 13

embedded in the lipid
bilayer

Answer 13

Integral proteins

Question 14

loosely attached to the membrane
surface.

Answer 14

peripheral
proteins

Question 15

The functions of membrane
proteins:
➢include ______,
➢_______ activity
➢_______ transduction ➢cell-cell _______
➢_______ joining ➢attachment to the
cytoskeleton and ________

Answer 15

transport
enzymatic
signal
recognition
intercellular
extra cellular matrix

Question 16

Short chains of
carbohydrates or sugars can be found attached to proteins, forming

Answer 16

glycoproteins

Question 17

if attached to lipids, on the outside of a cell membrane,t will form

Answer 17

glycolipids

Question 18

Glucose, sodium, potassium, calcium, chloride must use

Answer 18

transport proteins.