Advertisements
Advertisements
Question
Each polypeptide in a protein has amino acids linked with each other in a specific sequence. This sequence of amino acids is said to be ______.
Options
Primary structure of proteins
Secondary structure of proteins
Tertiary structure of proteins
Quaternary structure of proteins
Advertisements
Solution
Each polypeptide in a protein has amino acids linked with each other in a specific sequence. This sequence of amino acids is said to be primary structure of proteins.
Explanation:
The sequence of amino acids in a polypeptide chain in called primary structure of proteins.
APPEARS IN
RELATED QUESTIONS
Amino acids show amphoteric behaviour. Why?
Define the following term:
Essential amino acids
The melting points and solubility in water of amino acids are generally higher than those of the corresponding halo acids. Explain.
Write the correct reaction for formation of the peptide bond between amino acids
What is the difference between acidic amino acids and basic amino acids?
Differentiable between the following:
Essential amino acids Non-essential amino acids
The number of tripeptides formed by 3 different amino acids.
Match the following:
| I | II |
| (i) Amino acids | (A) protein |
| (ii) Thymine | (B) Nucleic acid |
| (iii) Insulin | (C) DNA |
| (iv) phosphodiester linkage | (D) Zwitter ion |
Which of the following is the best matched options?
Lysine, \[\begin{array}{cc}
\ce{H2N - (CH2)4 - CH - COOH}\\
\phantom{.....}|\\
\phantom{........}\ce{NH2}
\end{array}\] is:
(i) α-Amino acid
(ii) Basic amino acid
(iii) Amino acid synthesised in body
(iv) β-Amino acid
Amino acids can be classified as α–, β–, γ–, δ– and so on depending upon the relative position of amino group with respect to carboxyl group. Which type of amino acids form polypetide chain in proteins?
X – Amino acid behave as crystalline ionic solid and have high melting-point due to the present of:-
Amino acid are least soluble in water.
Which of the following X – amino acids is not optically active?
Proteins are condensation polymers of:
Why tryptophan is an essential amino acid?
