Proteins only formed from amino acids with the help of peptide bond.
Explanation:
Polysaccharide are made up of long chain of monosaccharide (these are known as simple sugar like glucose). Polysaccharide are carbohydrates such as starch, glycogen and cellulose. Polysaccharide consist of oxygen, hydrogen and carbon molecules with the ratio of 1:2:1.
Proteins, there are 20 different types of amino acids are found in protein and playing important fundamental role in to determine the structure and function of the protein. Proteins are major structural element of the cell, they are working as a transporter helping in movement of the molecule inside and outside the cell. Proteins consist molecules of carbon, nitrogen, oxygen and hydrogen and these molecules are not present in a partial ratio.
Cells get energy for their functioning through sunlight and other organic food molecules. ATP is a good example of energy pathways through photosynthesis.
Rods are specialized photoreceptors that function best in low-light conditions. They are a major part of our vision in dimly lit environments, as well as our perception of movement in our peripheral vision.
