40 Question Teacher Guide Digestion Flashcards
Which macrocolecule stores the most energy
Carbohydrates
Which macromoleucle type is most easily burned by the body
Carbohydrates
Name the reaction type for the breakdown of any food/ macrocolcule
Hydrolysis
Where does chemical digestion begin
In the mouth using salivary amylase
Where does chemical digestion end
Small intestine
Which organs use enzymes to digest all macromolecules
Pancreas, stomach, mouth, small intestine
Which types of digestion occor in the stomach
Chemical: Gastric juices HCL and pepsin breaking down protein
Physical: Stomach ruage churning food
Three reasons why the stomach does not digest itself
Gastric juices will not be secreted until there food present
Mucus lining
Pepsins will be inactive until food is prsent
How is the small intestine adapted to its function
Breaks down everything to its simplest form
What is the significants of the lactal
Takes fat by diffusing through the small intestine cells. Which is taken into the lymph vessiles take it to the chest area
What does the large intestine do
Absorbs water
Gets rid of waste
Stores waste
Has bacteria that systhesis with B-12 and K
What type of action is responsible for movement in the digestive system
Persalisis
Where does high nutrient blood go from the small inestine
Goes to the liver
What is the significance of the esophagus
Used to get the bolis into the digestive system
What triggers gastric secrections to stop
Phyloric spincter
What substance enters the stomach
Bolis
What is the substance that enters the small intestine
Chyme
What promotes bowel movements
Buildup of waste in the large intestine (colon)
What are the drawbacks of using antacids
Diharia and lots of constipation
How does the liver assist in digestion
Creates bile and bile salts which emulsify fats (break them down)
Is the liver mechanical or chemical digestion
Chemical since it breaks down fats
Why are protein digesting enzymes often released in inactive form
They can harm the stomach or denature if they are overworked. They need HCL to to be activated.
State two ways to increase the rate of enzyme reactions
Tempeture or pH
Pepsinogen is activated by what substance in the stomach
HCL acid
