Answer:
Collagen is an extracellular matrix protein and one of the most abundant protein in the body. Its triple-helical structure is a result of the 3 coiled chains. Each chain mainly comprises of Glycine, Proline and Hydroxyproline. The Glycine hydrogen bonds with residues of the adjacent chain while the proline and hydroxyproline C-N bonds provide stability in the structure.
Explanation:
A stimulus is the enviromental factor that causes a chang in position or place while a response is the change made caused by the stimulus
B. is the answer hope this helps
Answer:
meiosis is for reproduction and mitosis is for growth and repair
Explanation:
