Well it helps people come up with what they want to experiment on or figure out.
Answer:
it has partial charges
The hydrogen gives a positive partial charge
The oxygen gives a negative partial charge
Oxygen is way more electronegative than hydrogen therefore the molecule will be polar.
AT, GC
Explanation:
Adenine (A) pairs with Thymine (T).
Guanine (G) pairs with Cytosine (C).
A - T
C - G
T - A
T - A
G - C
C - G
hope this helps you!