Regarding catalytic cycle of an enzyme action, select the correct sequential steps :
A. Substrate enzyme complex formation.
B. Free enzyme ready to bind with another substrate.
C. Release of products.
D. Chemical bonds of the substrate broken.
E. Substrate binding to active site.
Choose the correct answer from the options given below :

Read the following statements on lipids and find out correct set of statements:
(a) Lecithin found in the plasma membrane is a glycolipid.
(b) Saturated fatty acids possess one or more c =c bonds.
(c) Gingely oil has lower melting point, hence remains as oil in winter.
(d) Lipids are generally insoluble in water but soluble in some organic solvents.
(e) When fatty acid is esterified with glycerol, monoglycerides are formed.
Choose the correct answer from the options given below:

Match the following:

Choose the correct option from the following:

Which of following organisms cannot fix nitrogen?
A. Azotobacter
B. Oscillatoria
C. Anabaena
D. Volvox
E. Nostoc
Choose the correct answer from the options given below:

Match List I with List II.

Choose the option with all correct matches.

The protein portion of an enzyme is called :

Which one of the following enzymes contains 'Haem' as the prosthetic group?

Inhibition of Succinic dehydrogenase enzyme by malonate is a classical example of:

Lectin, a small molecular weight organic compound found in living tissues, is an example of:

The cofactor of the enzyme carboxypeptidase is:

Match List I with List II:

Choose the correct answer from the options given below:

Match List I with List II:

Choose the correct answer from the options given below:

Given below are two statements :
Statement I : A protein is imagined as a line, the left end represented by first amino acid (C-terminal) and the right end represented by last amino acid (N-terminal).
Statement II : Adult human haemoglobin, consists of 4 subunits (two subunits of \(\alpha\) type and two subunits of \(\beta\) type.)
In the light of the above statements, choose the correct answer from the options given below:

Given below are two statements :
Statement I : Low temperature preserves the enzyme in a temporarily inactive state whereas high temperature destroys enzymatic activity because proteins are denatured by heat.
Statement II : When the inhibitor closely resembles the substrate in its molecular structure and inhibits the activity of the enzyme, it is known as competitive inhibitor.
In the light of the above statements, choose the correct answer from the options given below :

A dehydration reaction links two glucose molecules to produce maltose. If the formula for glucose is C₆H₁₂O₆ then what is the formula for maltose?

Match list I with list II.

Choose the correct answerfrom the options given below :

Following are the statements with reference to "lipids'.
(a) Lipids having only single bonds are called unsaturated fatty acids.
(b) Lecithin is a phospholipid.
(c) Trihydroxy propane is glycerol.
(d) Palmitic acid has 20 carbon atoms including carboxyl carbon.
(e) Arachidonic acid has 16 carbon atoms.
Choose the correct answer from the options given below.

Match List -I with List - II.

Choose the correct answer from the options given below.

With regard to insulin choose correct options.
(a) C-peptide is not present in mature insulin.
(b) The insulin produced by rDNA technology has C-peptide.
(c) The pro-insulin has C-peptide.
(d) A-peptide and B-peptide of insulin are interconnected by disulphide bridges.
Choose the correct answer from the options given below.

ldentify the basic amino acid from the following.

ldentify the substances having glycosidic bond and peptide bond, respectively in their structure

Which one of the following is the most abundant protein in the animals ?

Concanavalin A is

Consider the following statements :
(A) Coenzyme or metal ion that is tightly bound to enzyme protein is called prosthetic group.
(B) A complete catalytic active enzyme with its bound prosthetic group is called apoenzyme.
Select the correct option.

The two functional groups characteristic of sugars are

Viroids differ from viruses in having

Which one of the following statements is correct, with reference to enzymes ?

Which of the following are not polymeric ?

Which one of the following statements is wrong ?

A typical fat molecule is made up of