Questions

Program counter holds the address of either the first byte of the next instruction to be fetched for execution of the address of the next byte of a multi byte instruction, which has not been completely fetched. In both the cases it gets incremented automatically one by one as the instruction bytes get fetched. Also Program register keeps the address of the next instruction.

Groundwater is all the water that has penetrated the earth's surface and is found in one of two soil layers. The one nearest the surface is the "zone of aeration", where gaps between soil are filled with both air and water. Below this layer is the "zone of saturation", where the gaps are filled with water.

The foods that are good source of fat and incredibly healthy to the body ar fatty fish, eggs, nuts, cheese, avocados, dark chocolates, etc...

Polypeptides are assembled from Aminoacids.

An enzyme speeds up a reaction by lowering the activation energy which is done by catalysts to increase the rate.