Chemistry of Life 1.02 FLVS (100%)

Enzymes are proteins that speed up reactions by

lowering the amount of energy required

Which of the following statements describes ways cellulose and starch are similar to and different from each other?

Starch and cellulose are both polysaccharides, and most animals can break down starch for energy but not cellulose.

Which of the following monomers vary based on the structure of their side chains?

Amino acids

Carbohydrates and fats both

can be used as an energy source by organisms

Which of the structures below represents a fat?

A glycerol molecule with three fatty acid chains attached to it.

Which of the following statements best describes the structure and function of a carbohydrate?

Carbohydrates are large molecules made up of monosaccharides and are used by organisms for energy storage.

What monomer is made up of a base, a sugar, and a phosphate group?

Nucleotide