The Cell Lecture 4

HideShow resource information
  • Created by: saraht83
  • Created on: 29-04-16 10:56
What model describes the plasma membrane?
fluid mosaic model
1 of 19
What do transmembrane proteins do?
span the entire length of membrane
2 of 19
Are peripheral membrane proteins embedded?
no
3 of 19
What is glycolipid?
a carbohydrate-bound lipid
4 of 19
What do glycoproteins do?
enable cells to be recognized by other cells/proteins
5 of 19
What do tight junctions do?
link adjacent epithelial cells, restrict protein migration, prevent substances moving through intercellular space
6 of 19
What do desmosomes do?
hold adjacent cells together, have dense plaques attached to cytoplasmic fibres and membrane cell adhesion proteins
7 of 19
What do gap junctions do?
facilitate communication between cells, made up of connexons
8 of 19
What are connexons?
span membranes of two adjacent cells, made of connexins
9 of 19
What do connexins do?
snap together to generate a pore
10 of 19
What is diffusion rate determined by?
temperature, size, charge and concentration gradient
11 of 19
What is active transport?
requires energy expenditure
12 of 19
What kind of molecule undergoes primary active transport?
cations
13 of 19
What is secondary active transport?
uses established gradients and uses ATP indirectly
14 of 19
What is phagocytosis?
cellular eating
15 of 19
What is pinocytosis?
cellular drinking
16 of 19
What is exocytosis?
materials secreted from cell
17 of 19
What is endocytosis?
materials entering cell
18 of 19
What are thylakoid membranes involved in?
conversion of light energy in photosynthesis
19 of 19

Other cards in this set

Card 2

Front

What do transmembrane proteins do?

Back

span the entire length of membrane

Card 3

Front

Are peripheral membrane proteins embedded?

Back

Preview of the front of card 3

Card 4

Front

What is glycolipid?

Back

Preview of the front of card 4

Card 5

Front

What do glycoproteins do?

Back

Preview of the front of card 5
View more cards

Comments

No comments have yet been made

Similar Human Biology resources:

See all Human Biology resources »See all Lecture 4 resources »