Biology Chapter 7 (Membrane Structure and Function)

Question 1

membrane proteins and their functions (6)

Answer 1

1) transport

2) enzymatic activity

3) signal transduction (binding event results in some consequence)

4) cell-cell recognition (glycoprotein)

5) intercellular joining

6) attachment to the cytoskeleton and the extracellular matrix

Question 2

parameters that affect membrane fluidity

Answer 2

1) cholestorol
2) temperature
3) short vs long tails
4) cis double bonds vs trans double bonds vs saturated