★ Bacterial Cell Structure Quiz
What is an antigen?
A. blood cell
B. immunity
C. foreign substance
D. antibody
Select your answer:
Topics:
Brain, Neurons and The Nervous System Proteins, Amino Acids, & Enzymes Physical Fitness Components Hemodynamics Chemistry Health and Disease Type 1 Diabetes Anatomy Respiratory System Embryology Auditory and Vestibular Neurology History of Immunology Diseases of The Digestive System Thrombosis, Emboliya Perioperative Nursing Care Diseases and PreventionsOther quiz:
Urinary System › ViewWhere does the urinary tract start?
A. In the kidneys
B. In the urethra
C. In the ureters
D. In the esophagus
Biology › View
If a solution has a pH of 3.5, it is considered ___.
A. acidic
B. basic