★ Biochemistry Quiz
If an atom has 15 protons, 16 neutrons, and 15 electrons, what is its:
A. Atomic number: 15, Mass number: 31
B. Atomic number: 16, Mass number: 31
C. Atomic number: 15, Mass number: 30
D. Atomic number: 31, Mass number: 15
Select your answer:

Topics:
Innate Immunity Pancreas Enzymes and Digestion Bacteria Structure Renal System - Pharmacology Eye in Color Vision Immunity Male Reproductive System Patho_Genetics ADVBIO Genetics Inflammation and Tissue Repair Pathology Phlebotomy Medical Terminology Skin Diseases The Musculoskeletal SystemOther quiz:
Orthopedics › Viewarthr/o
A. bursa
B. joint
C. cartilage
D. rib
Renal › View
In a creatinine clearance test, urine and plasma creatinine are measured in what unit?
A. ng/l
B. mmol/l
C. umol/l
D. IU/l