★ The Chemistry of Microbiology Quiz
The atomic mass of an atom is ________.
A. the sum of the masses of its photons and electrons
B. the number of protons
C. the sum of the masses of its protons, neutrons, and electrons
D. the number of electrons
Select your answer:

Topics:
Brain First Aid Diabetes Radiography Microbio (Viruses) Genetic Diseases Agents of Disease Type 1 Diabetes Skeletal System Histology, Bone Repair Joints Macromolecules & Nutrients Renal & Neural Cariology Schizophrenia Bones and Muscles The Cardiovascular System: Blood Vessels and HemodynamicsOther quiz:
Hematology / Oncology › ViewJohn, a 10-year-old boy, has been experiencing prolonged bleeding from minor cuts and bruises. His doctor suspects a genetic disorder and decides to conduct a diagnostic test. Which test is most likely being considered for diagnosing Hemophilia A and B in John?
A. CBC
B. MRI
C. PT/PTT
D. Ultrasound
Diversity › View
A nail is inserted in the trunk of a tree at a height of 1 metre from the ground level. After 3 years the nail will
(a) move downwards
(b) move upwards
(c) remain at the same position
(d) move sideways