1. Small charged molecules, often biogenic amines function as A. hormones B. neurotransmitters C. both (a) and (b)…

1. The HIV virus infects primarily A. brain cells B. cells in the immune system C. red blood…

1. Which of the following immune cells would have an especially low count in a patient with advanced…

1. For specific antigen recognition by T cells, A. antigen is bound by a T cell membrane antibody…

1. Enzyme-driven metabolic pathways can be made more efficient by A. concentrating enzymes within specific cellular compartments B.…

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…