The Molecular Basis of Life: An Introduction to Molecular Biology

activity alanine alkanes alpha alpha helix amino acid amino acid sequence amino acid units Angstroms antibody antigen atoms bacterial bacterium beta chains biological carbon chemical chlorophyll chromosomes codon coli collagen complete contain cules defective DELETION diffraction DNA molecule electron micrograph energy enzyme experiments extracts formyl fraction fragments function gene genetic code helical helix hemoglobin hormone hybrid illustration infected known labeled light living cell lysozyme messenger RNA methionine microscope millimicrons mole molecular molecule mutations myoglobin normal nucleic acid nucleotide organisms oxygen pair peptide phage photosynthesis pigment polypeptide polypeptide chain polysomes produced protein molecule protein synthesis radioactive reaction recombination replication residues result ribosomes shown shows single specific strand streptomycin struc structure substrate subunits sugar tail fibers tein thymine tion transfer RNA transformed triplet tRNA tryptophan ture ultraviolet viruses wavelengths X-ray