1. In an SDS-PAGE A. proteins are denatured by the SDS B. proteins have the same charge-to-mass ratio…

1. Unpaired H-bond donors and acceptors are found in the hydrophobic core of a protein A. only at…

1. Hydrogen bonds in a-helices are A. more numerous than Vander Waals interactions B. not present at Phe…

1. Which of the following two organelles look most alike structurally? A. Nucleus and vesicle B. Golgi apparatus…

1. HPLC stands for A. High Pressure Liquid Chromatography B. High Performance Liquid Chromatography C. both (a) and…

1. Thin layer chromatography is A. partition chromatography B. electrical mobility of ionic species C. adsorption chromatography D.…

1. What is the relationship between wavelength and wavenumber? A. Wavenumber = 1 / wavelength in centimeters B.…

1. Molar absorbtivities of compounds exhibiting charge transfer absorption are A. small B. moderate C. large D. none…

1. The symptoms of retinol excess are A. bone fragility B. nausea C. weakness D. all of these…

1. How many molecules of ATP are hydrolyzed to form two molecules of ammonia? A. 10 B. 5…