Question

which provides the master code needed for protein synthesis?
dna
rna
mrna
trna

Explanation:

DNA (Deoxyribonucleic acid) contains the genetic information. It serves as the master code. RNA (Ribonucleic acid) has different types like mRNA (messenger RNA) which is transcribed from DNA and carries the code for protein synthesis, but the original master code is in DNA. tRNA (transfer RNA) helps in bringing amino - acids during protein synthesis.

Answer:

DNA