1. Â carbon, hydrogen, oxygen, nitrogen
2. peas, meat, egg, pulses, milk, yogurt(dairy products) etc.
3. amino acids
4. Proteins are essential elements for growth and repair, good functioning and structure of all living cells.
5.
a. Myosin : responsible for many types of cell movements.
b. Amylase : Â responsible for the breaking of the bonds in starches, polysaccharides, and complex carbohydrates into easier to absorb simple sugars.
c.Collagen :providing your skin with structure and strengthening your bones .It is the major component of connective tissues that make up several body parts, including tendons, ligaments, skin, and muscles.
d. Insulin: it helps control your blood sugar (glucose) level, so your body gets the energy it needs for daily activities.
e. sucrose: provides your body with the energy required to perform physical and mental functions.
f. maltase: helps the entire digestive system function smoothly. it helps small intestine to break the sugar and starch easily.
g. Actin :provides mechanical support, determines cell shape, and allows movement of the cell surface, thereby enabling cells to migrate, engulf particles, and divide.
h. Hemoglobin : important role of carrying oxygen and carbon dioxide through your blood.
i.Elastin : medium for pressure wave propagation to help blood flow and is particularly abundant in large elastic blood vessels such as the aorta