Pepsin is produced in the stomach and breaks some of the peptide bonds in polypeptide chains.
Answer: Functionally, DNA maintains the protein-encoding information, whereas RNA uses the information to enable the cell to synthesize the particular protein. 1 Differences between DNA and RNA: DNA stores the genetic information, whereas RNA uses the information to help the cell produces the protein.
Explanation:
Becuase the cell has a lower concentration that the solution it is placed in, the solution is considered hypertonic. The cell will lose water through osmosis and will shrink, the 2nd option is correct.
Answer:
oxygen
Explanation:
oxygen is an essential nutrient which the body needs especially during respiration.
it help the blood cells do provide energy.
without oxygen, there is no gaseous exchange