CELL AND DEVELOPMENTAL BIOLOGY PRESENTATION. DNA and genetic code are correlative terms. Genetic code: sequence of nucleotides in deoxyribonucleic acid (DNA) or ribonucleic acid (RNA) determines specific amino acid sequence in the synthesis of proteins
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sequence of nucleotides in deoxyribonucleic acid (DNA) or ribonucleic acid (RNA)
determines specific amino acid sequence in the synthesis of proteins
It consists of 64 triplets of nucleotides, called codons. Most of the 20 amino acids can be encoded for by more than one codondegenerate code
Codons that specify the same amino acid are called synonyms.DNA and GENETIC CODE
Although the genetic information is based in the sequence of nucleotides along the DNA chain, DNA is not the direct template for protein synthesis.However, a messenger RNA molecule is synthesized from the DNA directs the information of the protein. In addition, other kinds of RNA molecules, such as transfer RNA (tRNA) and ribosomal RNA (rRNA) have equallya significant role in protein synthesis. Gene expression in normal cells:DNAtranscription RNAtranslation Protein
DNAIS THE BIOCHEMICAL BASIS OF HEREDITY AND IS NEARLY UNIVERSAL IN ALL ORGANISMS