Observe the illustration and give answer to the following questions.
(a) What does this illustration indicate?
(b) Identify the molecules of A and B?
Which are the nitrogen bases presents in RNA?
'(##VPU_TTT_BIO_X_P02_C06_E04_001_Q01##)'

Explanation

(A) Nucleotide
(b) A-Phosphate B- Suger molecule
(c)Adenine, Guanine, Uracil, Cytosine