Organic Macromolecules

Organic chemistry is the study of all compounds that contain bonds between _____ atoms.

• Carbon

• Hydrogen

• Oxygen

• Nitrogen

Tags

NGSS.HS-LS1-6

Carbon has 6 protons, 6 neutrons, and 6 electrons (4 are valence electrons).

Carbon is able to form _____ covalent bonds.

• 2

• 3

• 4

• 5

Tags

NGSS.HS-PS1-1

Macromolecules are formed by a process called polymerization, in which large compounds are built by joining smaller ones together.

The smaller units, or _____, join together to form _____.

• polymers, monomers

• monomers, polymers

• molecules, atoms

• cells, molecules

Four groups of organic compounds found in living things are

• water, vitamins, minerals, air

• carbon, hydrogen, oxygen, and nitrogen

• sunlight, chlorophyll, photosynthesis, and glucose

• carbohydrates, lipids, nucleic acids, and proteins

Tags

NGSS.HS-LS1-1

NGSS.HS-LS1-6

Which macromolecule do living things use as their main source of energy?

• carbohydrates

• lipids

• nucleic acids

• proteins

Tags

NGSS.HS-LS1-7

The monomers in starch are _____ molecules.

• water

• sugar

• lipid

• glycerol

Tags

NGSS.HS-LS1-6

Single sugar molecules are called _____.

• monosaccharides

• disaccharides

• triglycerides

• polysaccharides

Large macromolecules formed from monosaccharides are called _____.

• disaccharides

• triglycerides

• polysaccharides

• glucose

Tags

NGSS.HS-LS1-6

Plants store excess sugar as starch. Many animals store excess sugar in a polysaccharide called _____.

• glucose

• protein

• glycogen

• amino acid

Tags

NGSS.HS-LS1-7

Which macromolecule is used to store energy and makes up a large portion of cell membranes?

• carbohydrates

• lipids

• nucleic acids

• proteins