★ Enzymes and Movement of Substances Quiz
What is a catalyst?
A. A substance that slows down a reaction and is used up.
B. A substance that increases the speed of a reaction and is used up.
C. A substance that increases the speed of a reaction without being changed or used up.
D. A substance that prevents a reaction from occurring.
Select your answer:
Topics:
Food and Health & Bones and Muscles Endodontic Surgery Metabolism Dermatosis Hematology Acute Leukemias Body Respiratory Cell Membrane and Transport Sources Of Food The Cell Cycle Health and Diseases Respiratory System Med Term Transportation in Organisms Cell Transport PathologyOther quiz:
Muscle Anatomy › ViewWhat is necessary for the myosin to release the actin?
A. ATP
B. Calcium
C. ADP
D. Sodium
Genetic Diseases › View
Turners syndrome is a result of
A. having only 1 X chromosome
B. having 3 copies of chromosome 21
C. having an extra Y chromosome