DNA has equal number of adenine and thymine residues (A = T) and equal number of guanine and cytosine (G = C). These relationships are known as

Signaling between cells usually results in the activation of protein

Enzyme responsible for reverse transcription is :

Balbiani rings are the sites of

There are 64 codons in the genetic dictionary as

Beadle and Tatum showed that each kind of mutant bread mould they studied lacked a specific enzyme. Their experiments demonstrated that

There are ______ subunits that make up a nucleotide?

All the terminator codons begin with the nucleotide of

The transcription of any gene is the indication of its

During translation initiation in prokaryotes, a GTP molecule is needed in