How many water molecules are present in the given figure?

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

Which one of the following vitamins contains a metal atom?

Categorize the following processes as Anabolic or Catabolic:
$I -$ Protein synthesis,
$II -$ Lactic acid fermentation,
$III -$ Aerobic respiration,
$IV -$ Alcoholic fermentation,
$V -$ Synthesis of cholesterol from acetic acid,
$VI -$ Photosynthesis,
$VII -$ Digestion,
Identify the Anabolic and Catabolic processes respectively.

Fat-soluble vitamins are:

How much energy is liberated when $25$ $ATP$ molecules are hydrolysed to $ADP$ (in $\text{ Kcal}$)?