Which of the following statements about the 5 end of a polynucleotide strand of RNA is correct?
A. The 5 end has a hydroxyl group attached to the number 5 carbon of ribose.
B. The 5 end has a phosphate group attached to the number 5 carbon of ribose.
C. The 5 end has phosphate attached to the number 5 carbon of the nitrogenous base.
D. The 5 end has a carboxyl group attached to the number 5 carbon of ribose.
Answer:B
Which of the following statements about the 5 end of a polynucleotide strand of RNA is correct?
A. The 5 end has a hydroxyl group attached to the number 5 carbon of ribose. B. The 5 end has a phosphate group attached to the number 5 carbon of ribose. C. The 5 end has phosphate attached to the number 5 carbon of the nitrogenous base. D. The 5 end has a carboxyl group attached to the number 5 carbon of ribose.