What are the four main types of biological molecules found in living organisms?
A. Enzymes, hormones, antibodies, and ATP
B. Starch, cellulose, chitin, and glycogen
C. Fats, vitamins, minerals, and water
D. Carbohydrates, lipids, proteins, and nucleic acids
Select your answer:
Topics:
Blood Formation and Clotting Branches of Medicine Pharmacology Name that Pathogen Lifestyle Diseases Organelles Surgical Nutrition The Digestive System Health and Social Care Digestion and Absorption of Carbohydrates Circulatory & Lymphatic Human Anatomy Study Guide Renal & Neural Healthy Living Human Body SystemsOther quiz:
Enzymes › ViewWhy do extremes of pH cause a drop in enzyme activity?
A. They increase the activation energy
B. They decrease the concentration of substrates
C. They can denature the enzyme
D. They change the temperature
How the Eyes work › View
Lens
A. Clear tissue that covers the eye
B. Opening of the eye
C. Focuses the light
D. Regulates amount of light