. The lock and key theory of enzyme action is explained by the specific fit between the enzyme and the substrate.
A. The enzyme changes shape to fit the substrate.
B. The enzyme and substrate fit together without changing shape.
C. The substrate changes shape to fit the enzyme.
D. The enzyme and substrate do not interact.
Select your answer:
Topics:
Blood types and Blood Components Respiratory and Urinary Immunology and Serology HHB Immunology Nucleic Acids Cells Health Care Biomedical Multicellular Organisms Living Organisms & Animal Behaviors Bacteria & Viruses Urinary System Hormones Muscular System Movements Nutrients in FoodOther quiz:
Cardiovascular System Anatomy › ViewWhen blood exits the left ventricle, it must go through which valve?
A. Aortic
B. Pulmonic
C. Mitral
D. Tricuspid
Immunology › View
The basis for the control which MHC molecules have over the immune response is best explained by the:
A. ability of MHC-antigen complexes to be released from antigen presenting cells and stimulate the activation of lymphocytes.
B. expression of MHC gene products on effector T and B lymphocytes
C. existence of genes controlling the immune response in linkage disequilibrium with MHC genes.
D. need for antigen-derived peptides to bind an MHC class I or class II molecule for proper presentation to the receptor of a T lymphocyte.
E. special affinity of unprocessed antigens for MHC molecules.