dna- replicación - transcripción
TRANSCRIPT
Figure 29.2
Griffith’s Transformation ExperimentGriffith’s Transformation Experiment19281928
Hershey–Chase Hershey–Chase ExperimentsExperiments
19521952
AnimalsHuman Homo sapiens 46Chimpanzee Pan troglodytes 48Gorilla 48Orangutan Pongo x 48Rhesus Monkey 42Mouse Mus musculus 40Cat Felis catus 38Pig 38Wolf Canis lupus 78Dog Canis lupus familiaris 78Cow Bos primigenius 60Goat 60
PlantsOats Avena sativa 42Mango Mangifera indica 40Rice Oryza sativa 24Bean Phaseolus sp. 22Wheat Triticum aestivum 42
DNA DNA NucleotidesNucleotides
James Watson, Francis Crick, and Maurice Wilkins received a Nobel Prize for the double-helix model of DNA in 1962, four years after Rosalind Franklin's death at age 37 from ovarian cancer.
DNA MoleculeDNA Molecule
A-DNAconformation B-DNA conformation Z-DNA conformation
Chromosome StructureChromosome Structure
Figure 3.14
Fig. 10-2, p. 213
Fig. 10-4, p. 214
Fig. 10-3, p. 213
DNA
Scaffolding proteins
2 μm
DNA ReplicationDNA Replication
Fig. 12-7a, p. 268
(a) Hypothesis 1: Semiconservative replication
Parental DNA First generation Second generation
Replication in Bacteria and Replication in Bacteria and EukaryotesEukaryotes
DNA SynthesisDNA Synthesis
Bidirectional ReplicationBidirectional Replication
DNASíntesis
E. coli DNA polymerase III
Fig. 12-15a, p. 276
DNA replication
RNA primer RNA primer
Removal of primer
3’
3’
3’
3’
3’
3’ 3’
3’
3’
3’
5’
5’
5’
5’5’
5’
5’
5’5’
5’
+
+
TelomeresTelomeres
Miles depurinaciones diarias
100 deaminaciones diarias
Fig. 13-4, p. 283
Nontemplate strand
TranscriptionDNA
Template strandmRNA
(complementary copy of
template DNA strand)
Codon 1 Codon 2 Codon 3 Codon 4 Codon 5 Codon 6
Polypeptide Met Thr Cys Glu Cys Phe
Translation
‘
‘
‘
‘
‘
‘
electrophoretic mobilityshift assay
enzima de restricción Hpa II
Antibody DiversityAntibody Diversity
