Chapter 8,part A Microbial Genetics
Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings B.E Pruitt & Jane J. Stein Chapter 8, part A Microbial Genetics
Terminology Genetics Study of what genes are,how they carry information,how information is expressed,and how genes are replicated 。Gene Segment of DNA that encodes a functional product,usually a protein
Terminology • Genetics Study of what genes are, how they carry information, how information is expressed, and how genes are replicated • Gene Segment of DNA that encodes a functional product, usually a protein
Terminology Genome All of the genetic material in a cell Genomics Molecular study of genomes Genotype Genes of an organism 。Phenotype Expression of the genes
Terminology • Genome All of the genetic material in a cell • Genomics Molecular study of genomes • Genotype Genes of an organism • Phenotype Expression of the genes
E.coli Figure 8.1a
E. coli Figure 8.1a
Flow of Genetic Information Between cells of the Between generations of cells Within a cell same generation DNA Parent cell Replication DNA Recombination Recombinant cell Transcription Cell divides mRNA Translation Protein Cell metabolizes and grows Daughter cells Figure 8.2
Flow of Genetic Information Figure 8.2