Anatomy (Chapter 2)

What is the smallest unit of elements? ( page 22)

• Molecule

• Atom

• Proton

• Electron

What elements are the body's chemical composition (select all that apply) (page 22)

• Hydrogen

• Carbon

• Oxygen

• Magnesium

• Nitrogen

What bond shares electrons between the atoms? ( page 25)

• Ionic bonds

• Covalent bonds

• Chemical bond

• Electron bond

What is the only mixture that is homogeneous? (page 27)

• solvent

• colloid

• suspension

• solution

Water freezes at what temperature? (page 28)

• 32F

• 33F

• 30F

• 29F

What chemical substance is capable of releasing hydrogen ions when dissolved in water? (page 28)

• Alkali

• Buffer

• Base

• Acid

What are proteins are composed of monomers called ? (page 31)

• enzymes

• amino acids

• nitrogen

• peptide

What protein is essential for metabolism? ( page 31)

• Catalysts

• Collagen

• Peptide

• Enzyme

Word part that has the meaning water (select all that apply) ( page 37)

• hydro

• pilo

• co

• aque

Triglycerides have how may carbon atoms? ( page 31)

• many

• 2

• 3

• 1