In a reversible reaction a catalyst will affect

• the rate of forward reaction and reverse reaction

• neither the forward reaction nor the rate ofreverse reaction

• the rate of forward reaction

• the rate of reverse reaction

The process by which synthesis of protein takes place based on the genetic information present in m-RNA is called

• translation

• transcription

• replication

• messenger hypothesis

The tripeptide hormone present in most living cells is

• glutathione

• glutamine

• oxytocin

• ptyalin

144.

Energy is stored in our body in the form of

• ATP

• ADP

• Fats

• Carbohydrates

Pick out the one which does not belong to the family

• pepsin

• Cellulose

• Ptyalin

• Lipase

A nucleoside on hydrolysis gives

• a heterocyclic base and orthophosphoric acid

• an aldopentose, a heterocyclic base and orthophosphoric acid

• an aldopentose and a heterocyclic base

• an aldopentose and orthophosphoric acid

Which of the following biomolecules contain non-transition metal ion ?

• Vitamin B₁₂

• Chlorophyll

• Haemoglobin

• Insulin

Sucrose molecule is made up of

• a gluco pyranose and a fructo pyranose

• a gluco pyranose and a fructo furanose

• a gluco furanose and a fructo pyranose

• a gluco furanose and a fructo furanose

Water insoluble component of starch is

• amylopectin

• amylose

• cellulose

• None of the above

A nanopeptide contains ....... peptide linkages

• 10

• 8

• 9

• 18