In one day the average person secretes about 2.5 litres of gastric juice into the stomach. The pH of the cells in the stomach lining that perform the secretion is about 7 (the same as for all cells) and the pH of the stomach is about 1. Thus, H+ ions […]

Cholesterol is a structural component of cell membranes. Amount of cholesterol present can affect membrane stability and permeability. What is the role of cholesterol in a membrane? 1 A membrane that needs to be more rigid and more permeable, would have high cholesterol ratios. 2 Membranes with high amounts of cholesterol […]

Female Body Builder: A 29 yr old female with 8 yrs of resistance training experience was evaluated with Dual-Energy Xray Absorptiometry (iDEXA) for body composition and bone mineral density at 20 weeks prior to competition. She was apparently healthy, working 45 hours per week, and taking Ortho-Novum (birth control) as her […]

1. The majority of FDA approved drugs can be profitably classified into three primary groups: a. small molecules, peptides and antibodiesb. lipids, carbohydrates and nucleic acidsc. peptides, nucleic acids and lipidsd. organic, inorganic and biological 2. Aileron Therapeutics is developing ____________ to treat various diseases. a. non-peptidic macrocyclesb. antibodiesc. stapled […]