Answer:
"The function of DNA is tied to its structure. ... The bonds between nitrogenous bases are essential to DNA's double helix structure, which resembles a twisted ladder. The base pairs form the rungs of the twisted ladder, and the sugar-phosphate strands form the sides."
Explanation:
- https://www.ancestry.com
The mailman could not be the father.
The mother did not give the baby its B type blood, and a type O father could not have given this blood type. Therefore, the mailman did not father the baby.
The snake population will decrease. If all of the mice in an area die out, some snakes — which feed primarily on mice and other small animals — will starve unless they are able to find another food source.
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