Ligases

Q.

What is the difference between ligase and lyase?

Q.

The function of ligases is

1. Oxidation

2. Reduction

3. Synthesis by condensation

4. Group transfer reaction

Q. Enzymes catalysing bonding of two components with the help of ATP are ___.

1. Transferases
2. Ligases
3. Lyases
4. Phosphorylases

Q. _________ catalyse covalent bonding between two molecules to form a large molecule.

1. Hydrolases
2. Transferases
3. Isomerases
4. Ligases

Q.

Identify the correct set of enzymes by examining their action on substrates
I. $AH+B\to A+BH\left(NADH\right)$
II. Transfers functional group and includes 'Kinases'.
III. $A-B+H_{2}O\to A-OH+B-H$
IV. Breaks bonds without using water (formation of double bonds).
V. Conversion of compounds into its isomer $A-B\to B-A$

VI. Joins different compounds. $AB+C\to AB-C$

1. I. Transferases II. Hydrolases III. Lyases IV. Isomerases V. Ligases VI. Reductases

2. I. Reductases II. Transferases III. Hydrolases IV. Lyases V. Isomerases VI. Ligases

3. I. Lyases II. Isomerases III. Ligases IV. Reductases V. Transferases VI. Hydrolases

4. I. Isomerases II. Ligases III. Reductases IV. Transferases V. Hydrolases VI. Lyases