Metals Important to Living Systems

Metal ions that are attached to carbon compounds by covalent bonds are known as

• Cabon Metals

• Organometallic Compounds

• Hydrocarbons

• Ionic Compounds

Which metal controls water balance in body fluids?

• Sodium

• Iron

• Manganese

• Gold

Which ions are important in the function of DNA?

• Ca²⁺

• Na⁺

• K⁺

• Mg²⁺

Which metal is essential in building strong bones and teeth?

• Iron

• Zinc

• Calcium

• Carbon

Iron is found in the _________________, which gives blood cells their red colour.

• Blood Plasma

• Hemoglobin

• Bones

• Platelets