Topics: Enzymes Quiz
How do enzymes increase the rate of a chemical reaction?
A. By providing additional reactants
B. By lowering the activation energy needed
C. By increasing the concentration of products
D. By breaking down the reactants
Select your answer:

Topics:
Musculoskeletal Anatomy: Knee Structures and Functions of Living Organisms and Genetics Epithelial Tissue Alzheimer Disease and Dementia Fitness Vitamins and Minerals Functional Anatomy in Track & Field Infection Control Heart and Blood Vessels Protein and Amino Acid Metabolism Heart Anatomy Nervous System and Special Senses Blood and Bones Organ Systems Physio Intro PracticeOther quiz:
Cell Cycle Problems › Viewgenes responsible for repressing the growth and development of cells
A. regulatory genes
B. pro-oncogenes
C. oncogene
D. tumor suppressor genes
The Vascular System and Blood Flow › View
What is the main function of veins in the cardiovascular system?
A. Regulating blood distribution to the various tissues
B. Carrying oxygenated blood away from the heart
C. Exchanging gases and nutrients with the tissues
D. Returning blood to the heart for another trip throughout the vascular system