which structural characteristic is seen in rna but not in dna? double strands a single strand chains of…

which structural characteristic is seen in rna but not in dna? double strands a single strand chains of nucleotides a helical shape
Answer
Answer:
B. a single strand
Brief Explanations:
DNA is usually double - stranded, while RNA is often single - stranded. Both are made of chains of nucleotides and can have a helical shape.