What happens to the protein molecules in food, from the time it is swallowed, to the time its products are built up in the cytoplasm of a muscle cell.

Trace the pathway followed by water molecules from the time it enters a plant root to the time it escapes into the atmosphere from a leaf.

List the chemical changes that starch molecule undergoes from the time it reaches the small intestine.

What will happen, when you sleep under a tree during night time?

A nuclear event is shown in the diagram. a. Name the nuclear phenomenon. b. What happens to the residual nucleus? Explain. c. Compare the binding energy per nucleon of the daughter and the parent. d. At what time the h upsilon is emitted ? Explain.