Yes. the nucleotides are A, T, G, and C. A and T pair up and G and C pair up. For instance, if your known strand is AGTCAG then the second strand would have to be TCAGTC. Also, if there is a U in the strand, it takes the place of T. so the original strand would be AGTCAG and the unknown would have to be UCAGUC.
1) symbiosis is a mutually beneficial relationship between two things.
2) the symbiosis in this example shows how the sea anemone provides the clown fish with protection and in return the clown fish helps the anemone by warding off any predators
1 out of 5 is 1/5.
Divide that and you get .20, which is 20%, so that is your answer, 20% fat.