$P$: Lake or sea water does not freeze completely.
$Q$: The latent heat of water is very high.

$ATP$ was discovered by:

Which one of the following is an antioxidant vitamin?

Which of the following statements is $NOT$ true regarding biomolecules?

Assertion $(S)$: The measure of disorder in a biological system is called free energy.
Reason $(R)$: The energy available in a biological system to perform work is called entropy.
$(A)$ Both $S$ and $R$ are true,and $R$ is the correct explanation of $S$.
$(B)$ Both $S$ and $R$ are true,but $R$ is not the correct explanation of $S$.
$(C)$ $S$ is true and $R$ is false.
$(D)$ $S$ is false and $R$ is true.
$(E)$ Both $S$ and $R$ are false.

Disorders of amino acid metabolism result in which of the following conditions?