What are the charges on $H$ and $O$ atoms in a water molecule, respectively?

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.

The energy available for the work of a biological system is known as.....

Which property of water is responsible for maintaining the homogeneity of the cytoplasm?

Which of the following vitamins contains an isoprene unit?

The energy-rich component is .......