Answer:
It is circulatory system and the digestive system.
Explanation:
Answer:
Hydrogen bond
Explanation:
The α-helix and the β-pleated sheet are secondary protein structures. They are formed within a polypeptide due to interactions between the atoms of the backbone.
Both the alpha helix and beta pleated sheets are held in shape(stabilized) by hydrogen bonds which form between the carbonyl (C= O)of one Amino acid and amino(N-H) of another amino acid.
This bonding is gives them their structure.
Answer: A and C
Explanation:
The human eye color is a trait that forms a wide range of states instead of two distinct states. Fully attached earlobes is a recessive trait that is seen in very rare cases.