Food Science Enzymes

Enzymes are identified by the suffix _____

• -ase

• -ose

• -ol

Large molecules of nutrients must be broken down into ______

• Small pieces

• Small molecules

Tags

NGSS.MS-LS1-7

Digestive enzymes

• Are inside the alimentary canal

• Help speed up chemical reactions

• Are biological catalyst

• Change during a chemical reaction

Tags

NGSS.HS-PS1-2

NGSS.HS-PS1-5

Write the steps of breaking down starch molecules. The following week words may help you: starch molecule, sugar molecules, enzyme molecule, slot into, split apart, leave

What does enzyme specificity refer to?

• The ability of an enzyme to speed up any chemical reaction

• The ability of an enzyme to work at any pH level

• The ability of an enzyme to catalyze only one specific type of reaction

• The ability of an enzyme to work in any part of the body

What type of macromolecule is broken down by lipase?

• lipids

• proteins

• nucleic acids

• carbohydrates

Which of the following events in the mouth cavity will be affected if salivary amylase is lacking in the saliva?

• (a) Starch breaking down into sugars.

• (b) Proteins breaking down into amino acids.

• (c) Absorption of vitamins.

• (d) Fats breaking down into fatty acids and glycerol.

Which enzyme is involved in the breakdown of proteins in the stomach?

• Lipase

• Amylase

• Pepsin

• Protease

Which enzyme is responsible for the breakdown of fats into fatty acids and glycerol?

• Amylase

• Lipase

• Pepsin

• Protease

What type of macromolecules is broken down by pepsin?

• lipids

• proteins

• nucleic acids

• carbohydrates

Tags

NGSS.MS-LS1-7