★ Macromolecules Quiz
A substance that increases or decreases the rate of a chemical reaction is called a (an)
A. Element
B. Catalyst
C. molecule
Select your answer:
Topics:
Psychopathology Nephrology (Hemodialysis) Movement and Locomotion Cholera Science Reproduction Visual Impairment What is Psychology? Thrombosis, Emboliya Nervous System/Endocrine System Common Diseases in Human Beings Lifetime Wellness Pathogens, Disease and Immunity Thyroid Gland Urinary System Tracheostomy CareOther quiz:
Heart Anatomy › ViewPrevents blood movement from left ventricle to left atrium
A. Tricuspid valve
B. Bicuspid valve
C. aortic valve
D. pulmonary valve
Laboratory Careers › View
What is a Phlebotomist?
A. Collect blood for donation or for testing, so the blood can be analyzed in a clinical laboratory.
B. Takes care of dead people
C. Treats a persons spine
D. Takes care of animals when they are hurt or sick