Organisation and Digestion – Revision Questions Flashcards
enzymes
what’s the definition of digestion?
Where is the digested food being moved to?
What is the function of the large intestines?
What is an enzyme?
What is the part of the enzyme where the substrate fits called?
Why are enzymes specific to one substrate?
What enzyme is produced in the mouth? What does it digest and what product(s) are formed?
What enzyme is produced in the stomach? What does it digest and what product(s) are formed?
What enzyme is produced in the small intestine? What does it digest and what product(s) are formed?
What is the function of bile (2 functions):
Describe how temperature affects rate of reaction is as much detail as possible:
What’s a catalyst
A catalyst is a substance that increases the speed of a chemical reaction without being used up or changed in the process.
Give 3 reasons why we can’t just make our cells even warmer to increase the rate of reactions?
Heating our cells more would require a lot of energy
Higher temperatures could damage our cells
Higher temperatures would also speed up non-useful reactions
An enzyme is a special type of catalyst that is made by a living organism. We sometimes call them…
a biological catalysts.
Enzymes are made from what??
Enzymes are large proteins, so made from a long chain of amino acids.
