Macromolecules

Proteins are large macromolecules composed of thousands of subunits. They structure of the protein depends on the sequence of

• lipids

• monosacccharides

• amino acids

• nucleotides

Tags

NGSS.HS-LS1-1

The diagram shows the structure of a certain biological macromolecule. Carbon bonds are not drawn to scale.

• lipids

• protein

• nucleic acid

• carbohydrate

Use the diagram to answer the question.

Which statement describes the primary function of the macromolecule in the diagram above?

• The macromolecule is broken into monomers and use to form the cell membrane.

• The macromolecule is used to speed up metabolic processes in cells.

• The macromolecule is broken into monomers and used for energy.

• The macromolecule is used to transmit hereditary information.

Which of these describes the structure and function of a protein molecule?

• A molecule composed of amino acids used as a biological catalyst in cells.

• A molecule composed of glycerol and fatty acids used for structural support in cells.

• A molecule composed of nitrogen bases for coding amino acid sequences in cells.

• A molecule composed of carbon, hydrogen, and oxygen used as an energy source in cells.

Tags

NGSS.HS-LS1-1

Which of these elements may be found in a protein but NOT in a lipid?

• carbon

• oxygen

• nitrogen

• hydrogen

Which monomers are correctly matched to the macromolecule they create?

• Amino acids make proteins

• Glucose molecules make lipids

• Nucleotides make carbohydrates

• Fatty acid chains make nucleic acids

Which of the following BEST describes the major roles of lipids in a cell?

• membrane structure and long-term energy storage

• membrane structure and short-term energy storage

• long-term energy storage and cytoskeletal structure

• short-term energy storage and cytoskeletal structure