Which one of the following exhibits enantiomerism?

The value of $\sqrt{42+\sqrt{42+\sqrt{42+\ldots}}}$ is equal to:

What does a virus contain?

Glucose and mannose are

What is a conjugated protein called if it contains a carbohydrate as a prosthetic group?

The area (in sq units) of the triangle formed by the tangent at $(\sqrt{3}, 0)$ to the hyperbola $x^2-3y^2=3$ with the pair of asymptotes of the hyperbola is