Cell

Question 1

What is inherited from the maternal side

Answer 1

Mitochondria

Question 2

What is the site of lipid synthesis

Answer 2

Smooth endoplasmic reticulum

Question 3

What is the site of protein synthesis

Answer 3

Rough endoplasmic reticulum

Question 4

What is the role of the golgi body

Answer 4

Mediates protein shorting to specific sites

Question 5

What are the components of phospholipids

Answer 5

Fatty acid tails
- non-polar
- hydrophobic
- saturated and unsaturated

Phospholipid head
- polar (uncharged0
- hydrophilic

Question 6

What is membrane potential (Em)

Answer 6

Potential difference across the cell membrane generated by differential ion concentrations of key ions (K+, Na+, Ca2+, Cl-)

K+ is a major determinant

Question 7

What does hyperpolarised stand for

Answer 7

-ve intra-cellular

Question 8

What does depolarised stand for

Answer 8

+ve intra-cellular

Question 9

What does permeability of the cell membrane depend on

Answer 9

Channel numbers

Channel gating

Will effect membrane potential.