Explanation:
zoology is the study of animals or it's the phenomenon that talks about animal and beasts that lives in the zoo
Answer:
b is the correct answer for your question
Answer: Ribose nucleotides and the nitrogenous bases
Explanation: RNA consists of ribose nucleotides (nitrogenous bases appended to a ribose sugar) attached by phosphodiester bonds, forming strands of varying lengths. The nitrogenous bases in RNA are adenine, guanine, cytosine, and uracil, which replaces thymine in DNA.