Answer:
Replication relies on complementary base pairing, that is the principle explained by Chargaff's rules: adenine (A) always bonds with thymine (T) and cytosine (C) always bonds with guanine (G).
Explanation:
TCGACTGGATCGCCTGTT
DNA has T instead of U :)
Prevalent = Widespread
Requisite = Necessary
Propagate = Spread
A valley is the result of erosion by glaciers and flowing water
The boy is in pain is an statement that is an inference.
