List of top Chemistry Questions on Proteins

Which structure of protein remains intact after coagulation of egg white on boiling?

Match List-I with List-II:

Which structure of protein is intact after coagulation of egg white on boiling?

A short peptide on complete hydrolysis produces 3 moles of glycine (G), two moles of leucine $( L )$ and two moles of valine $( V )$ per mole of peptide The number of peptide linkages in it are ______

Total number of tripeptides possible by mixing of valine and proline is ________

Following tetrapeptide can be represented as

(F, L, D, Y, I, Q, P are one letter codes for amino acids)

A protein ‘A’ contains 0.30% of glycine (molecular weight 75). The minimum molar mass of the protein ‘A’ is _______ × 10³ g mol^–1 [nearest integer]

The structure of protein that is unaffected by heating is

Stability of α-Helix structure of proteins depends upon

In alanylglycylleucylalanyvaline, the number of peptide linkages is__,

Out of the following, which type of interaction is responsible for the stabilisation of $\alpha$ -helix structure of proteins?

Fibrous protein present in muscles is

The non-essential amino acid among the following is:

The correct structure of histidine in a strongly acidic solution (pH=2) is

The non-essential amino acid among the following is:

Glycine in alkaline solution exists as______and migrates to__________.

What are the structural units of proteins?

The process of separation and purification of expressed protein before marketing is called :

The amino acid which is basic in nature is

Consider the following sequence for aspartic acid : The pI (isoelectric point) of aspartic acid is :

The amino acid Tryptophan is the precursor for the synthesis of :

The protein present in the hair is

The number of amino acids and number of peptide bonds in a linear tetrapeptide (made of different amino acids) are respectively