WebQuestion: 8. c) Describe how the cell "knows" the current environment conditions in a and b above, by DRAWING a simple cartoon of the trp repressor (in a) and the CAP protein … WebThe activation domain of activators recruits transcriptional factors to proper sites on the DNA. True False May be True or False Can't say. molecular biology Objective type Questions and Answers. ... Defects in which regions can affect the activity of the lac operon? Barr body is the _____
Lac operon follows a trans-acting control mechanism.
WebThe lac repressor acts as a lactose sensor. It normally blocks transcription of the operon, but stops acting as a repressor when lactose is present. The lac repressor senses lactose indirectly, through its isomer allolactose. Catabolite activator protein ( CAP) acts as a … Gene regulation is how a cell controls which genes, out of the many genes in its … WebStudy notes Tutorial 2 The Lac Operon The Repressor regulatory protein binds to the Operon where it. Expert Help. Study Resources. Log in Join. Boston College. ... That is why CAP is only active when cAMP is at a high concentration. cAMP is only high when Glucose levels are low. Promoter= ... can i bleach white shoes
The Lac Operon in E. Coli - News-Medical.net
WebFIGURE 1 The model scheme. The lac operon is assumed to have four states: a repressor-free state, denoted O, in which both the main operator O1 and the auxiliary operator O2 are free of repressor; two nonlooped repressor-bound states, O1,R andO2,R, in which the repressor is bound to O1 and O2, respectively; and a looped repressor-bound state O1 … WebThe lac operon is an inducible operon that utilizes lactose as an energy source and is activated when glucose is low and lactose is present. Are inducers transcription factors? … WebScience; Biology; Biology questions and answers; Explain how genetic complementation contributes to the growth habit of this strain. Suppose the lac operon partial diploid \( \operatorname{cap} T^{+} \mathrm{P}^{+} \mathrm{O}^{+} \mathrm{Z}^{-+} \mathrm{Y}^{+} \) Drag the terms on the left to the appropriate blanks on the right to complete the sentences. can i bleed from fingering