Cell Membrane Structure Practice - Rachel Sanders | Biblioteka

1

Phospholipids create bi-layers because of their __________________ properties

A Hydrophobic

B Polar

D Hydrophilic

C Amphipathic

1

The part of a phospholipid that is hydrophobic (non-polar) would be:

1

The protein labeled h would be considered:

1

What function does the protein labeled J most likely have?

D Adhesion

A Recognition

B Channel

C Receptor

1

b is referring to what type of membrane protein?

A Pump

B Enzymatic

C Receptor

D Recognition

1

Letter i is referring to what molecule?

1

What is most likely the function of protein h?

D Enzymatic

A Recognition

C Channel

B Adhesion

1

An increase in unsaturated fats in a cell membrane would have what effect on its fluidity?

1

Cholesterol is important in maintaining what in animal cells?

D Would decrease fluidity

C Would increase fluidity

B It depends on the amount of saturated fat present

A Would do neither

1

Why is our current model of the cell membrane referred to as a "mosaic"?

A Mosaics are made of tiles of different shapes and colors

C If one tile of a mosaic is missing it falls apart

B Mosaics are made of tiles of the same shapes and colors

D Mosaics move around depending on how you look at the

1

Which of the following is incorrect regarding models?

D Models can be used as evidence in an experiment

A All models have limitations

B Models can be used to make predictions

C Models don't have to be physical, they can be conceptual