★ 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:
Hazards & Risks Injuries in Archery Population Ecology Urinary System Physiology Pathology Respiratory Diseases Epithelial Tissue Urinalysis/ Immunology Make up Health-Wellness-Illness Types of Medical Reports Oncology Contemporary Nutrition Issues Nerve Injuries in Oral & Maxillofacial Surgery Careers in Health Care HHB ImmunologyOther quiz:
Nervous and Endocrine System › ViewWhen glucose levels in the blood rise, your brain sends a signal to your pancreas. The pancreas releases insulin, which opens channels in cell membranes to allow glucose to enter the cell, lowering blood sugar levels.
A. Positive Feedback Response
B. Negative Feedback Loop
Beneath the Skin › View
The main organ of your respiratory system is the
A. heart
B. lungs
C. blood vessels
D. nose