Biology Questions

Three main enzymes, pepsin secreted by the stomach and trypsin and chymotrypsin secreted by the pancreas, break down food proteins into polypeptides that are then broken down by various exopeptidases and dipeptidases into amino acids.

Hence, digestion of protein begin in stomach.

Mitochondria which is present in both plant and animal cells supplies energy to the cells and hence called as the powerhouse of the cell.

The relationship between two organisms such that one lives on the other and one gets benefited while the other get infected.

Uracil is present in RNA and binds to adenine whereas thymine is present in DNA and binds to adenine.

RNA polymerase attach to DNA molecule.

HDL stands for high-density lipoproteins.

HDL is called the "good" cholesterol because it carries cholesterol from other parts of your body back to your liver. Your liver then removes the cholesterol from your body.

Hence, when it comes to cholesterol it is better to have more HDL.