LacY codes for -galactosidase permease. LacA codes for thiogalactoside transcyclase ... and therefore mRNA encoding LacZ and LacY is only made at very low levels ...
Carrier proteins - mediate passive, active or cotransport ... ABC superfamily: bacterial permeases, MDR transport proteins and CFTR protein. Uniport Transport ...
E. coli Lactose Permease. Using Chemical Gradients. The Patch Clamp Technique ... Acetylcholine Receptors Allow the Depolarization of the Membrane. The ...
Title: Review of eukaryotic cells Author: ITS Last modified by: User Created Date: 9/5/2006 5:11:54 PM Document presentation format: On-screen Show (4:3)
... Most Important Transcriptional Regulation is most important 80% of red blood cells is alpha or betaglobin Describe Lac Operon in E Coli ... PI Lac Repressor Cell ...
MYCOBACTERIUM TUBERCULOSIS PROTEOME M. tuberculosis- intracellular pathogen - TB prevalent in Africa and Asia - 1/3 population is infected - 8 million new cases per year
Gram-negative rods: Enterobacteriaceae Part I Karen Honeycutt, M.Ed., MT(ASCP)SM CLS 418 Clinical Microbiology I Student Laboratory Session Differentiation of Major ...
Title: Molecular Biology of Gene Function Author: Santa Monica College Last modified by: Santa Monica College Created Date: 11/6/2000 5:26:22 AM Document presentation ...
1. Bacteria become more fit. 2. Most of the gain in fitness is in the first 2000 generations ... 6. These bacteria are still very much E. coli. When Evolution ...
Some are pathogens, occasional pathogens and normal intestinal flora. ... This differentiates Enterobacteriaceae into lactose fermenters and nonfermenters. ...
ABC transport systems. Include a periplasmic binding protein, a transmembrane channel, and an ... Family of related proteins. Example of Active Transport ...
Membrana Celular Membrana Celular Constitui o da Membrana Celular Sin nimos: Membrana citoplasm tica, Membrana plasm tica e Plasmalema. Presente em todos os ...
TATA box. DNA (a) Little or no transcription. Enhancer. DNA. TATA box. Activator (transcription factor) (b) High rate of transcription. Figure 13-10 ...
Confessions of an experimentalist who loves making (bacterial) mutants ... Microorganisms as Model Systems for Studying Evolution Plenum Press, New York ...
Aromatic Amino Acids ... carbon, C-beta branched amino acids contain two (two carbons in ... Role in structure: Alanine is arguably the most boring amino acid. ...
The lac Operon Laboratory Purpose: Learning to analyze an example of gene expression Example: lac operon Type of control: negative inducible The Laboratory Worksheet ...
Membrane rest potential. Generation and radiation action potential. This discussion will focus on selected examples of transport catalysts for which structure ...
seoul subway. tokyo subway. pyrimidine pathway. protein pathway. from DNA to pathways ... programmed cell applications. biological cell programming. biological ...
... Operon ... The lac operon mRNA. The genetic code (as written in RNA) ... to Cells, 1, 293, 1996. OD. b-galactosidase. Model of Lac Operon (animation) ...
On lactose- bacteria don't grow, then grow because they induce an enzyme that ... 3. On lactose AND glucose- No b-galactosidase ! S99. 2 ways to understand the ...
Gene Regulation Gene Regulation in Prokaryotes the Jacob-Monad Model certain genes are transcribed all the time constitutive genes synthesis of some proteins ...
Phenotypes of strains diploid for lac. Model for positive regulation of lac operon ... I P O Z Y I P O Z Y -galactosidase phenotype. I inducible by IPTG ...
Negative control: repressor protein present which prevents ... The repressor is an allosteric protein that can be activated by binding to a small molecule ...
Capsules and slime layers. outside cell envelope. well defined: capsule. not defined: slime layer or glycocalyx. usually polysaccharide. often lost on in vitro culture ...
MICROBIAL BIOTECHNOLOGY Microbial Biotechnology in the Environment A. Bioremediation - uses microorganisms to degrade waste materials into less toxic or non-toxic ...
In normal time, E. coli uses glucose to get energy, but how does it react if ... Arabidopsis Thaliana circadian rhythm. Real data also means missing values ...