Answer:
c. collagen is the correct answer.
Explanation:
Collagen is the main protein found in connective tissue and skins and it makes different body parts(skin, tendons, muscles, and ligaments)
Collagen function is to give strength to bones and structure to the skin.
Vitamin C is an essential part of a healthy diet and a good source of vitamin C are citrus fruits and green vegetables.
Vitamin C directs the synthesis of a structural protein called collagen.
The function of Vitamin C in the production of collagen is to combine with the amino acids(glycine, proline, hydroxyproline)in collagen cells.
Vitamin C stabilizes the collagen messenger RNA and increase the synthesis of collagen.
When there is a deficiency of vitamin C it leads to anemia, skin problems, gum diseases, and weakness.
The circulatory system is also known as the cardiovascular system. They both allow blood to circulate throughout the body, transporting nutrients, oxygen, and carbon dioxide.
I hope this helps! :)
I think the correct answer would be genetic modification. It is the most controversial technique that is used by many farmers as this method produce high quality products in large volumes. These products are called genetically modified organisms or GMO's.
