Severe dehydration resulting in hypoperfusion of the placenta.
Answer:
The answer is double helix.
Explanation:
In its natural state, each DNA molecule is actually composed of two single strands held together along their length with hydrogen bonds between the bases. Watson and Crick proposed that the DNA is made up of two strands that are twisted around each other to form a right-handed helix, called a double helix.
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Answer:Because they keep on repeating.
Explanation:
Because mutations do not always result in an amino acid change.
