MOLECULES.2

The products from the digestion of a starch would most likely contain

• simple sugars

• amino acids

• fats

• minerals

Which statement describes starches, fats, proteins, and DNA?

• 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 pairing below completes the following sentence:

A is digested to produce B

• A-starch B-proteins

• A-starch B-amino acids

• A-protein B-amino acids

• A-protein B-simple sugars

Protein molecules are present in all cells. This type of molecule is composed of a sequence of

• amino acids arranged in a specific order

• simple sugars alternating with starches arranged in a folded pattern

• large inorganic subunits that form chains that interlock with each other

• four bases that make up the folded structure

Which statement concerning simple sugars and amino acids is correct?

• They are both wastes resulting from protein synthesis.

• They are both building blocks of starch.

• They are both needed for the synthesis of larger molecules.

• They are both stored as fat molecules in the liver.

Which molecule is produced from the digestion of starch?

• simple sugar

• fat

• amino acid

• hormone

The inability of an organism to produce certain proteins can occur when an organism is lacking an enzyme needed to combine

• oxygen molecules

• simple sugars

• amino acids

• biological catalysts

The structure responsible for digestion and synthesis is called

• an antibody

• an enzyme

• a receptor molecule

• a hormone