# The segment of DNA which acts as the instrumental manual for the synthesis of protein is

$\begin {array} {1 1} (A)\;Ribose & \quad (B)\;Gene \\ (C)\;Nucleoside & \quad (D)\;Nucleotide \end {array}$

A gene is the molecular unit of heredity of a living organism. It is widely accepted by the scientific community as a name given to some stretches ofdeoxyribonucleic acids (DNA) and ribonucleic acids (RNA) that code for apolypeptide or for an RNA chain that has a function in the organism, though there still are controversies about what plays the role of the genetic material
Ans : (B)