Lab 7-Enzymes and Digestion Flashcards
Continuous tube that is open to the external environment at both the mouth and the anus
Digestive tract
For materials in the digestive tract to reach the inside of the body they must:
Pass through the epithelial cells of the tract into the blood.
Process of materials in the digestive tract passing through epithelial cells of the tract into the blood
Absorption
Before food can be absorbed it must be:
Broken down by mechanical processes such as chewing, and by enzymatic processes that transform large molecules into smaller monomers
Breakdown of food into smaller, absorbable units
Digestion
Most important substances secreted for the purpose of digestion
Digestive enzymes
Enzymes such as _____________ break down carbohydrates to monosaccharides or disaccharides
Amylase
Each enzyme binds with a specific ____________.
Substrate
Invitro
Outside body
Humans digest __________.
Alpha
Denaturation happens when:
Heat is added
Lugol’s tests for the presence of:
Starch
Benedict’s test detects the presence of:
Maltose (sugar)
Fats are broken down by:
Lipase
The digestive system consists of the:
Digestive tract or alimentary canal and accessory organs (tongue, pancreas, liver)