Tymine (t) can only pair with (a) in a dna strand. And the other letters which are G and C can only pair with each other. So A can be with T, T can be with A..... G can be with C and C can be with G.
the letters stand for:
A: adenine
G: guanine
C: cytosine
Answer:winter
Explanation:because i already did it
It's the urinary one (D)
Explanation:
Immune system combats colds
Nervous system let's you feel things on your nerves
Skeletal is what joins your joints and helps you move
Hope this helped! :]
<u>(could I get brainliest?)</u>
Then the imposters will win