Macromolecules/Biogeochemical Cycles/ Properties of Water

All of the following are carbohydrates except

• Starch

• Glycogen

• Cellulose

• Cholesterol

Which statement is true?

• Amino acids are made of proteins

• Glycerol is made of fatty acids

• RNA is composed of nucleotides

• Simple sugars are made of lipids

If available, the body will always digest which macromolecule for energy first?

• lipids

• Proteins

• enzymes

• Carbohydrates

The structure to the right is a:

• Monosaccharide

• Disaccharide

• Lipid

• Polymer

The fold or shape of a protein determines the

• Acid content

• Enzyme

• Function

• Oxygen level

An organic compound is one that

• Contains carbon

• Is slightly acidic

• Forms long chains

• Is soluble in water

Animals store most of their excess energy reserves as ______ because ______.

• 1. Glucose; it is easy to breakdown

• 1. Fat; they store twice as much energy per gram

• 1. Protein: it is a compact source of energy in their bodies

• 1. Carbohydrates: they store twice as much energy per gram of glucose

What term is used to describe compounds that do NOT mix with water?

• Phospholipids

• Hydrophilic

• Hydrophobic

• Hydroxylic

What determines the shape and function of a protein?

• The order and number of amino acids

• The number of nucleotides

• The type of simple sugars

• The type of fatty acids

The structure to the right is an example of a(n)

• Nucleic acid

• Lipid

• Protein

• Carbohydrate