True/False Indicate whether the statement is true or false. ____ 1. Hydrogen is an example of an atom. ____ 2. Medical imaging refers to invasive techniques and processes. ____ 3. Electrolytes are responsible for the acidity or alkalinity of solutions and can conduct an electrical charge. ____ 4. Fructose found in fruit and honey is an example of a disaccharide. ____ 5. Phospholipids are lipids that contain cholesterol. ____ 6. Enzymes are specialized protein molecules found in all living cells. ____ 7. RNA structures are unique for each person and so are usable as a means of identification. ____ 8. Another name for a base is alkali. ____ 9. Buffers help a living organism to maintain a constant pH value. ____ 10. Nuclear medicine is a branch of medicine that uses radioactive isotopes to prevent, diagnose, and treat disease.