DNA Structure and Replication – Section 2 1. Each replication bubbles consists of A. 3 replication forks B. 2 replication forks C. 4 replication forks…
DNA Structure and Replication – Section 1 1. The accepted hypothesis for DNA replication is A. conservative theory B. dispersive theory C. semi-conservative theory D.…
Cell Signalling and Transduction – Section 1 1. Small charged molecules, often biogenic amines function as A. hormones B. neurotransmitters C. both (a) and (b)…
Disease Associated with Immune System – Section 1 1. The HIV virus infects primarily A. brain cells B. cells in the immune system C. red blood…
Immune Response – Section 1 1. Which of the following immune cells would have an especially low count in a patient with advanced…
Antigen – Section 1 1. For specific antigen recognition by T cells, A. antigen is bound by a T cell membrane antibody…
Enzymes – Section 1 1. Enzyme-driven metabolic pathways can be made more efficient by A. concentrating enzymes within specific cellular compartments B.…
Gel Electrophoresis – Section 1 1. In an SDS-PAGE A. proteins are denatured by the SDS B. proteins have the same charge-to-mass ratio…
Protein Stability – Section 1 1. Unpaired H-bond donors and acceptors are found in the hydrophobic core of a protein A. only at…
Structure and Properties of Peptides – Section 1 1. Hydrogen bonds in a-helices are A. more numerous than Vander Waals interactions B. not present at Phe…