Biomolecules Questions

The curve given below shows enzymatic activity with relation to three conditions (pH, temperature and substrate concentration). What do the two axes (x and y) represent?

Which one of the following structural formulae of two organic compounds is correctly identified along with its related function?

Which one of the following is not a constituent of cell membrane?

Lysozyme that is present in perspiration, saliva and tears, destroys:

About 98 percent of the mass of every living organism is composed of just six elements including carbon, hydrogen, nitrogen, oxygen and:

Which one of the following is a fat-soluble vitamin and its related deficiency disease?

Which one of the following vitamins is water-soluble?

$\text{RNA}$ and $\text{DNA}$ are chiral molecules, their chirality is due to:

A non-proteinaceous enzyme is:

Select the option which is not correct with respect to enzyme action:

Which one of the following is a non-reducing carbohydrate?

Which of the following biomolecules does have a phosphodiester bond?

The chitinous exoskeleton of arthropods is formed by the polymerisation of:

The two polypeptides of human insulin are linked together by:

A typical fat molecule is made up of:

Which one of the following statements is wrong?

Which one is the most abundant protein in the animal world?

Which of the following is the least likely to be involved in stabilizing the three-dimensional folding of most proteins?

Which of the following describes the given graph correctly?

The macromolecule chitin is a:

A phosphoglyceride is always made up of:

The transition state structure of the substrate formed during an enzymatic reaction is:

Given below is the diagrammatic representation of one of the categories of small molecular weight organic compounds in living tissues. Identify the category and the blank component “X”:Structure: Ribose sugar + Base X.

Which one of the following biomolecules is insoluble in water?

Which one out of A – D given below correctly represents the structural formula of a basic amino acid?

Which one of the following biomolecules is correctly characterised?

For its activity, carboxypeptidase requires:

Starch is useful as a storage material because it is:

A competitive inhibitor of succinic dehydrogenase is:

An organic substance bound to an enzyme and essential for its activity is called: