Unit 2 Macromolecules Test

Polymers are built from smaller subunits called ______

• monomers
• macromolecules
• electrons
• nucleic acids

A monosaccharide is a _________

• simple carbohydrate
• complex carbohydrate
• non-steroid hormone
• protein
• triglyceride

Which polysaccharide (big sugar) is found in the cell walls of plants?

• glucose
• sucrose
• lactose
• cellulose

Which description is a characteristic of a carbohydrate?

• Used for long-term energy storage in the body.
• Main source of quick fuel for the body.
• Contains genetic information in the nucleus of plant cells.
• Found primarily in foods like red meat and eggs.

The monomer of proteins are _________

• fatty acids
• nucleotides
• monosaccharides
• amino acids

Which of these proteins speed up chemical reactions?

• antibodies
• hormones
• cholesterol
• enzymes

These macromolecules are responsible for creating a repairing muscles, ligaments, tendons, and bones.

• nucleic acids
• proteins
• lipids
• carbohydrates

Carbohydrates are hydrophilic and can dissolve in water, while _____ are hydrophobic and cannot dissolve in water.

• proteins
• lipids
• nucleic acids
• enzymes

What is the function of lipids in the body? Choose all that apply.

• They store energy in the body

• They speed up chemical reactions.
• They insulate the body.
• They provide structure and support.
• Waterproofing on feathers, leafs, and fur

Which molecule is made up of glycerol and fatty acids?

• lipids
• nucleic acids
• carbohydrates
• proteins