List of top Biotechnology Questions on Proteins asked in CBSE CLASS XII

Mention any five protein-based products with an example of each.

Explain the technique of peptide mapping used to compare normal haemoglobin with sickle cell haemoglobin.

What is the mode of action of tissue Plasminogen Activator (tPA)? Draw a schematic representation to show the method of production of tPA through mammalian cell culture.

Elaborate upon the scientific relevance for therapeutic usefulness of whey with specific examples.

What is the principle of mass spectrometry? Write its important application.

Two statements are given – one labelled Assertion (A) and the other labelled Reason (R). Select the correct answer from the codes given below:
Assertion (A): One of the first attempts to study the molecular basis of sickle cell anaemia was to compare the electrophoretic mobility of normal haemoglobin (Hb) and sickle cell haemoglobin (scHb).
Reason (R): Sickle cell haemoglobin (scHb) moved faster than normal haemoglobin (Hb) in electrophoresis.

Two statements are given – one labelled Assertion (A) and the other labelled Reason (R). Select the correct answer from the codes given below:
Assertion (A): Proteins have diverse functions.
Reason (R): All proteins are enzymes.

_______ can be categorized as a food source of nutraceutical proteins.

Protein Efficiency Ratio (PER) is used as a measure of growth expressed in terms of: