12 Questions
What is the process of changing foodstuffs into simple absorbable forms called?
Digestion
Which enzyme catalyzes the hydrolysis of proteins to amino acids and glycerol?
Protease
Which enzyme is responsible for splitting carbohydrates?
Invertase
Where is salivary amylase or ptyalin produced?
Salivary glands
Which enzyme is NOT a lipase or fat-splitting enzyme?
Amylase
Which enzyme is secreted as zymogens or inactive enzymes?
Pepsinogen
What enzyme acts on starch in the oral cavity to change it to maltose?
Ptyalin
Which enzyme is responsible for changing lactose to glucose and galactose?
Lactase
In the stomach, which enzyme acts on proteins to change them to peptides?
Pepsin
What is the enzyme that activates chymotrypsinogen in the small intestine?
Trypsin
Which process involves the diffusion of water molecules across a selectively permeable membrane?
Osmosis
What type of transport requires the input of energy, usually from ATP hydrolysis?
Active transport
This quiz covers the process of digestion where foodstuffs are broken down into smaller particles for absorption by the gastrointestinal mucosa. It also includes information on the role of hydrolases in catalyzing the hydrolysis of proteins and nucleic acids. Test your knowledge on how minerals and vitamins are absorbed during digestion!
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