Intro to Macromolecules and Carbohydrates

What is the most common element found in all macromolecules?

• Hydrogen

• Oxygen

• Carbon

• Nitrogen

What type of bond links two monosaccharides together in a disaccharide?

• Ionic bond

• Hydrogen bond

• Covalent bond

• Peptide bond

What are enzymes?

• Biological molecules that slow down reactions

• Biological molecules that catalyze or speed up reactions

• Inorganic molecules that catalyze reactions

• Inorganic molecules that slow down reactions

What is the primary function of carbohydrates in the body?

• Structural support

• Energy storage and supply

• Enzyme activity

• Hormone production

Which of the following is a polysaccharide?

• Glucose

• Fructose

• Starch

• Sucrose

What is the main function of cellulose in plants?

• Energy storage

• Structural support

• Enzyme activity

• Hormone production

Which of the following is a monosaccharide?

• Lactose

• Glucose

• Maltose

• Cellulose

The image below shows a polymer of glucose molecules. What type of macromolecule is this?

• carbohydrate
• protein
• lipid
• nucleic acid

A very large molecule (as of a protein, nucleic acid, or carbohydrate) built up from smaller chemical structures.

• Macrophage
• Micromolecule
• Macroroni
• Macromolecule

Tags

NGSS.HS-LS1-6

Dehydration synthesis (a)   bonds between monomers