Complementary base pairs.
Watson and Crick.
Beadle and Tatum.
The endoplasmic reticulum.
DNA polymerase molecules.
DNA ligase molecules.
Complementary base pairing.
Production of all three kinds of RNA molecules.
Production of a lipid bilayer.
Production of DNA copies.
Production of many proteins and polypeptides.
Production of all of the codons.
The plasma membrane.
RNA and DNA.
RNA and large proteins.
RNA and sugars.
DNA and proteins.
Nucleosomes and RNA.
Small ribosomal subunit.
Large ribosomal subunit.
DNA (the gene itself.)
Transcription and replication
Replication and repression
Protein synthesis and replication
Mutation and cell division
Transcription and translation
Breaking the code.
A variable number.
All four of the nucleotide bases must be used.
Each combination of any three nucleotides can act as a codon.
The first nucleotide in every codon is always the same.
A particular codon always specifies the same amino acid.
Each codon specified a different amino acid.
The code of all DNA molecules is the same.
The proteins made from the coded information are always the same.
The reading of the code occurs without any punctuation.
The genetic code is the same in all organisms with no exceptions.
A release factor.
An initiation factor.
Alternating between many chains.
Moving three nucleotides at a time on the mRNA.
Attaching amino acids in a random fashion.
Selecting the tRNA molecule that fits.
Attaching amino acids to the growing chain without charged tRNAs.