Download Prac Ex. Resp File

Jesse has just eaten a fatty piece of
steak for lunch. Describe the steps taken
to chemically digest the protein from the
steak. Indicate the location in the
digestive system and identify the
reactants and products are each stage
(12 marks)

Jesse has just eaten a fatty piece of
steak for lunch. Describe the steps taken
to chemically digest the protein from the
steak. Indicate the location in the
digestive system and identify the
reactants and products are each stage
(12 marks)

Location
Enzyme
Reactant
Product
Stomach
Pepsin
(Gastric
Protease)
Proteins
Polypeptides
Small
Intestine
(Duodenum)
Trypsin
(Pancreatic
protease)
Polypeptides
Peptides
Small
Intestine
Peptidase
(Intestinal
Protease)
Peptides
Amino Acids
1 mark for each box (4 marks per row)
Note: Answers did not need to be in a table. If written in paragraph
form, the marker would look for each point identified above.
Jesse has just eaten a fatty piece of
steak for lunch. Describe the steps taken
to chemically digest the fat from the
steak. Indicate the location in the
digestive system and identify the
reactants and products are each stage
(8 marks)

Jesse has just eaten a fatty piece of
steak for lunch. Describe the steps taken
to chemically digest the fat from the
steak. Indicate the location in the
digestive system and identify the
reactants and products are each stage
(8 marks)

Location
Enzyme
Reactant Product
Small Intestine
(Duodenum)
Pancreatic
Lipase
Lipids
Fatty acids +
Glycerol
Small Intestine
Intestinal
Lipase
Lipids
Fatty acids +
Glycerol
1 mark for each box (4 marks per row)
Note: Answers did not need to be in a table. If written in paragraph
form, the marker would look for each point identified above.
Jesse has just eaten a fatty piece of
steak with some mashed potato for
lunch. Describe the steps taken to
chemically digest the carbohydrate from
the potato. Indicate the location in the
digestive system and identify the
reactants and products are each stage
(12 marks)

Jesse has just eaten a fatty piece of
steak with some mashed potato for
lunch. Describe the steps taken to
chemically digest the carbohydrate from
the potato. Indicate the location in the
digestive system and identify the
reactants and products are each stage
(12 marks)

Location
Enzyme
Reactant
Product
Mouth
Salivary Amylase
Starch
Polysaccharides
Small
Intestine
(Duodenum)
Pancreatic
Amylase
Polysaccharides
Disaccharides
Small
Intestine
Intestinal Amylase Disaccharides
Monosaccharides
(simple sugars)
1 mark for each box (4 marks per row)
Note: Answers did not need to be in a table. If written in paragraph
form, the marker would look for each point identified above.