Chemistry of Cells Review

Acids and bases differ in that

• Bases dissolved in water form more hydrogen ions than do acids dissolved in water

• Acids dissolved in water form more hydrogen ions than do bases dissolved in water

• Acids dissolved in water form more hydroxide ions than do bases dissolved in water

• Bases have a lower pH than do acids

Which of the following groups of terms is associated with carbohydrates?

• Monosaccharide, glycogen, cellulose

• Monosaccharide, cellulose, lipid

• Disaccharide, polysaccharide, steroid

• Polysaccharide, amino acid, collagen

The speed of a chemical reaction is increased by

• An enzyme

• The reactant

• Glucose

• ATP

Tags

NGSS.HS-PS1-4

NGSS.HS-PS1-5

Which of the following enzymes helps break down starch into glucose?

• Pepsin

• Trypsin

• Catalase

• Amylase

Tags

NGSS.MS-LS1-7

Which of the following is not a property of water?

• Cohesion

• Polarity

• Nonpolarity

• Stores heat well

A substance made when atoms of two or more different elements join together

• Atom

• Element

• Compound

• Molecule

• Electron

Tags

NGSS.MS-PS1-1

Negatively charged atomic particle

• Atom

• Element

• Compound

• Molecule

• Electron

Tags

NGSS.MS-PS2-3

The smallest unit of matter that cannot be broken down by chemical means

• Atom

• Element

• Compound

• Molecule

• Electron

A group of atoms held together by covalent bonds

• Atom

• Element

• Compound

• Molecule

• Electron

Tags

NGSS.MS-PS1-1

A substance made of only one kind of atom

• Atom

• Element

• Compound

• Molecule

• Electron