Which one of the following does not differ in E.coli and Chlamydomonas?

1. Ribosomes

2. Chromosomal organization

3. Cell wall

4. Cell membrane

Select the correct statement from the following regarding cell membrane:

The plasma membrane consists mainly of:

1. phospholipids embedded in a protein bilayer

2. proteins embedded in a phospholipid bilayer

3. proteins embedded in a polymer of glucose molecules

4. proteins embedded in a carbohydrate bilayer

Which one of the following is not a constituent of the cell membrane?

1. Cholesterol

2. Glycolipids

3. Proline

4. Phospholipids