You are trying to determine whether it is better to purify an enzyme from its natural source or to express the gene in bacteria and then purify it. You purify it from both sources and show that each preparation gives a single band by denaturing gel electrophoresis, a common measure […]

Asthma Study – Measures of Occurrence and Association Details: Asthma is a chronic lung disease caused by inflammation of the lower airways and episodes of airflow obstruction. Asthma episodes or attacks can vary from mild to life-threatening. In 2007, about 7% percent of the U.S. population was diagnosed with asthma […]

Lab report discussion: Discuss on your observation of direct and indirect staining samples 2 sample, I with crystal violet and congo red. using 40x magnification and 100x magnification.  And Differential stains of an active yeast (S. cerevisiae), S. epidermidis and E. coli microorganism.  Please seperate the report totally 5 how […]

Assume that investigators crossed a strain of flies carrying the dominant eye mutation Lobe on the second chromosome with a strain homozygous for the second chromosome recessive mutations smooth abdomen and straw body. The F1 Lobe females were then backcrossed with homozygous smooth abdomen, straw body males and the following […]