Biomolecules Question 201

Question: The correct statement in respect of protein haemoglobin is that it

Options:

A) acts as an oxygen carrier in the blood

B) forms antibodies and offers resistance to diseases

C) enzymes are specific biological catalysts that can normally function at very high temperature $ ( T\tilde{\ }1000K ) $

D) enzymes are specific biological catalysts that possess well-defined active sites

Show Answer

Answer:

Correct Answer: A

Solution:

[a] Haemoglobin acts as an oxygen carrier in the blood since it reacts with oxygen to form unstable oxyhaemoglobin which easily breaks to give back haemoglobin and oxygen.