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Paper 1
organisation
Enzymes
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Created by
Elizabeth Burr
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Cards (29)
What is the role of enzymes in digestion?
They help break down large
molecules.
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How does bile assist in digestion?
By
neutralizing
acids and
emulsifying
fats.
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What are the three main groups of nutrients to break down?
Carbohydrates
,
proteins
, and
fats
.
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What enzyme breaks down carbohydrates?
Amylase
.
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What products do carbohydrates break down into?
Smaller sugars such as
maltose
.
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Where is amylase produced?
Salivary
glands,
pancreas
,
small
intestine.
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What enzyme breaks down proteins?
Protease
.
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What do proteases break proteins down into?
Amino acids
.
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Where are proteases produced?
Stomach
,
pancreas
,
small intestine
.
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What are fats also called?
Lipids
.
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What enzyme breaks down fats?
Lipase
.
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What products do lipids break down into?
Glycerol
and
fatty acids
.
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Where are lipases produced?
Pancreas
and
small intestine
.
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How can you remember where each enzyme is made?
Amylase
:
pancreas
, small intestine, salivary glands
Proteases
:
stomach
, pancreas, small intestine
Lipases
: pancreas, small intestine
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What foods mainly contain carbohydrates?
Pasta
,
potatoes
, and
rice.
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What foods mainly contain proteins?
Nuts
,
meats
, and
beans.
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What foods mainly contain fats?
Cheese
,
oils
, and
chocolate.
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Why are enzymes essential for digestion?
They break down large
molecules
into
smaller
ones.
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What is the significance of soluble molecules in digestion?
They can be absorbed through the
intestinal
lining.
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How do the roles of amylase and protease differ in digestion?
Amylase breaks down
carbohydrates
, protease breaks down
proteins
.
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If you consume a meal high in fats, which enzyme will primarily aid in digestion?
Lipase
.
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What would happen if there were no enzymes in digestion?
Large molecules would not be
broken
down.
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What is the lock and key theory?
Every enzyme's active site is complementary to a substrate like a lock and a key
What is an enzyme?
A
biological
catalyst that speeds up the rate of a specific
chemical
reaction
. They are not used up during the reaction and can be used over and over.
What is
carbohydrase
?
An enzyme that breaks down carbohydrates into simple sugars
What is
amylase
?
A type of
carbohydrase
which breaks down starch
What is
protease
?
An enzyme that breaks down proteins into amino acids
What is
lipase
?
a
protein
that breaks down
lipids
(fats) into glycerol and
fatty acids
What is an enzyme?
a
biological
catalyst that speeds up
specific
reactions
and is not used up