Cells

Question 1

two functional compartments of the body

Answer 1

1. extracellular fluid
2. intracellular fluid

Question 2

extracellular fluid

Answer 2

-plasma (fluid portion of the blood)
-interstitial fluid (between the circulatory system and cells)

Question 3

major parts of the cell

Answer 3

plasma (or cell) membrane
cytoplasm
nucleus

Question 4

membrane: function

Answer 4

1. tissue lining a cavity or compartment
   -mucous, peritoneal, pleural, etc
2. cell membrane: phospholipid bilayer separating intracellular and extracellular components

Question 5

cell membrane: structure

Answer 5

the fluid mosaic model of a biological membrane

Question 6

4 functions of cell membrane

Answer 6

1. physical barrier
2. gateway for exchange (between intracellular and extracellular components)
3. communication (proteins in the cell membrane)
4. cell structure (intracellular and extracellular matrix)

Question 7

extracellular matrix is

Answer 7

secreted material

Question 8

cell membrane composition refers to

Answer 8

lipids and proteins

Question 9

lipids include

Answer 9

phospholipids
sphingolipids
cholesterol

Question 10

proteins include

Answer 10

integral
peripheral
lipid-anchored

Question 11

cell membrane function is dependent on

Answer 11

the arrangement of protein and lipids within the bilayer

Question 12

inclusions of the cell have

Answer 12

no membranes

Question 13

ribosomes

Answer 13

manufacture protein from RNA
-free
-fixed
-polyribosomes

Question 14

proteasomes

Answer 14

structures involve protein degradation

Question 15

vaults

Answer 15

protein and RNA, unknown function

Question 16

protein fibers

Answer 16

strucutral support and movement

Question 17

ribosomes are the site of

Answer 17

protein synthesis