Question

A phosphate unit is present between two sugars. Which carbon form bond with $5$' carbon of sugar of another unit is:

• A. $0$
• B. $1$
  
• C. $2$
• D. $3$

Answer 1

The correct option is D $3$

A phosphate unit is present between two sugars. Nucleotides are joined together by phosphodiester linkage between 5′ and 3′ carbon atoms of the pentose sugar. ​Hence (d) is correct.