What is in the middle of a DNA molecule?
A. base
B. phosphate molecules
C. sugar
Select your answer:
Topics:
Heterotrophic Nutrition Excretory and Musculoskeletal System Pediatrics DNA Pathophysiology_Endocrine Major Nutrients SCI CH2-1 Physical Education Vaccines Biotherapeutics & Cellular Meat Ear/Eye Medical Terms Branches of Microbiology Immune Response Carbohydrates, Proteins and Lipids Hematology DiseaseOther quiz:
Urinary System Medical Terms › ViewDysuria
A. excessive calcium in the urine
B. urination at night
C. Painful/difficult urination
D. pus in the urine
Enzymes and Their Functions › View
What is the active site of an enzyme?
A. The part of the enzyme where substrates bind and undergo a chemical reaction.
B. The part of the enzyme that is permanently altered during the reaction.
C. The part of the enzyme that binds to inhibitors.
D. The part of the enzyme that is responsible for its solubility in water.