Topics: Energy, Hydrology, Microbiology Quiz
What are the percentages of fresh and saltwater on Earth?
A. 50% fresh, 50% salt
B. 3% salt, 97% fresh
C. 70% salt, 30% fresh
D. 97% salt, 3% fresh
Select your answer:
Topics:
Digestive and Circulatory System Embryology Nerve Injuries in Oral & Maxillofacial Surgery Infectious Disease and Pathogens Trauma Surgery Human Urinary System Functional Anatomy in Track & Field Psychology Vocabulary Parts of the Brain Homeotic Genes and Cancer Food and Nutrition Ear/Eye Medical Terms Nail Enhancement Who am Eye? KineticsOther quiz:
Urinary › ViewWhich kidney structure empties into the ureter?
A. renal pelvis
B. calyx
C. renal papilla
D. renal pyramid
Enzymes & Metabolism HL › View
What type of inhibition occurs when a molecule binds to the active site of an enzyme?
A. Competitive inhibition
B. Non-competitive inhibition
C. Mechanism-based inhibition
D. Feedback inhibition