The extent of branching (number of ?1?6 glycosidic bonds) in amylopectin can be determined by extensive methylation followed by identification of the hydrolysis products of the methylated polysaccharide, as follows: A sample of amylopectin is exhaustively treated with a methylating agent (methyl iodide) that replaces all the hydrogens of the […]

Question: In eukaryotic cells, transcription and RNA processing involve several steps that must be completed before the fully processed mRNA is ready to be used as a template for protein synthesis on the ribosomes. Sequence the steps of transcription and RNA processing, with 1 being the first step and 7 being […]

3 to 4 Line sentences for response: Recent estimates suggest that 70% of processed food in the US contains genetically modified ingredients, largely from genetically modified soy beans. Unlike many other countries, the US doesn’t require food to be labelled as containing genetically modified ingredients. Should we be concerned about […]

A 60 year old female was admitted to the hospital for an abdominal aortic aneurysm repair. The patient did welll intraoperatively and was recovering nicely for the first five days post-operation. On the sixth day, she had five bouts of diarrhea and blood was noted on the most recent bout. […]