Macromolecules

Which statement describes carbohydrates, lipids, and proteins?

• They are used to store genetic information.

• They are complex molecules made from smaller molecules.

• They are used to assemble larger inorganic materials.

• They are simple molecules used as energy sources.

Which of the following macromolecules is a prominent part of animal tissues that

forms cell membranes and functions in insulation and long-term energy storage?

• Carbohydrates

• Lipids

• Proteins

• Nucleic Acids

Both lipids and carbohydrates are important in animal cells because both:

• Store energy

• Contain nitrogen

• Form cell walls

• Provide genetic information

The monomers that make up carbohydrates are:

• Monosaccharides

• Amino acids

• Nucleotides

• Proteins

The four most common elements in organisms are:

• Oxygen, Nitrogen, Carbon, Hydrogen

• Glucose, Sucrose, Maltose, Galactose

• Calcium, Zinc, Oxygen, Lipase

• Nitrogen, Hydrogen, Phosphorus, Calcium

Proteins are used for:

• Primary energy source

• Insulation

• Controlling heredity

• Building structures like muscle, hair, and nails

Which of the following is true of polymers?

• They are made of monomers.

• They are made of repeating building blocks.

• They are larger molecules.

• All of the above are true.

Which of the following macromolecules are hydrophobic and don’t dissolve in water?

• Carbohydrates

• Lipids

• Proteins

• Nucleic Acids

The main source of energy for living things comes from:

• Glucose

• Proteins

• Nucleotides

• Water

Which of the following is a good source of proteins?

• Sugars

• Meat

• Bread

• Oils