Biochemistry

Monomer or building blocks of carbohydrates:

• nucleotides.

• complex polysaccharides like glycogen.

• monosaccharide sugars like glucose.

• amino acids.

Identify the macromolecule that performs the following functions: insulation, water-proofing, long-term energy storage, and cushioning vital organs.

• Carbohydrates

• Lipids

• Nucleic Acids

• Proteins

What are the four main organic compounds of life?

• Oxygen, Carbon, Hydrogen, and Nitrogen

• Oxygen, Cellular Respiration, Photosynthesis, and Carbon Cycle

• Glucose, Fructose, Lactose, and Sucrose

• Proteins, Lipids, Carbohydrates, and Nucleic Acids

The functions of carbohydrates do NOT include:

• quick energy source.

• catalyze chemical reactions.

• structural support for cells - cellulose and chitin.

• short-term energy storage.

Which of the following is NOT one of the elements that make up lipids?

• Carbon

• Oxygen

• Nitrogen

• Hydrogen

Monomer of proteins.

• Nucleotide

• Amino Acid

• Fatty Acid

• Nucleic Acid

Which organic molecule is highest in calories per gram?

• Carbohydrates

• Proteins

• Lipids

• Nucleic Acids

In a carbohydrate, the ratio of hydrogen atoms to oxygen atoms is:

• 1:2:1

• 2:1:2

• 1:3:2

• 2:3:1

The monomer of lipids:

• amino acids

• glycerol and fatty acids

• monosaccharides

• nucleotides

This molecule is a _____.

• protein

• lipid

• carbohydrate

• nucleic acid