I think t or r............
Answer:
GCC GTA TAT
Adenine pairs with guanine.
Cytosine pairs with thymine.
Hope it helps!
Phototropism as photo means light
eg: photosynthesis
Answer:
mutation
Explanation:
occurs when a DNA gene is damaged or changed in such a way a to alter the genetic message carried by that gene. A mutation is an gent of substance that can bring about permanent alteration to the physical composition of a DNA gene such that the genetic message is changed
