Cell Biology Answers

Explain the process of intercellular recognization and cell aggregation with a suitable example .

Briefly explain the mechanism of formation of proton gradient in mitochondria .

Describe various steps involved in protein biosynthesis .

Differentiate between : -

(1) smooth and rough endoplasmic reticulum .

(2) Local chernical mediators and neurotransmitters.

(3) Glycogen and starch.

(4) Electrophoresis and chromatography.

(5) Active and passive transport .

Describe the organisation of phospholipids and proteins in a typical cell membrane .

Describe the evolutionary origin of mitochondria .

The sugar in DNA is called_____________.

The small hydrophobic protein molecules which dissolves in the lipid bilayer and increase its iron permeability , are called______________ .

Non - competitive inhibitors mind at a site other than the _______ site of the enzyme.

In contractile system of skeletal muscles, there are overlapping _________ and myosin filaments .