11685697
Description
Mind Map by Shravani Chingre, updated more than 1 year ago
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Created by Shravani Chingre
about 7 years ago
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Enzymes
- Define the term
catalyst
- substance that increases the rate
of a chemical reaction and is not
changed by the reaction
- substance that increases the rate
of a chemical reaction and is not
changed by the reaction
- Define enzymes
- proteins that function as
biological catalysts
- proteins that function as
biological catalysts
- Describe why enzymes are important
in all living organisms in terms of
reaction speed necessary to sustain
life
- They speed up the rate reaction and
is necessary to digest complex
(carbohydrates)
- They speed up the rate reaction and
is necessary to digest complex
(carbohydrates)
- Describe enzyme action with
reference to the complementary
shape of an enzyme and its substrate
and the formation of a product
- Enzyme joins together with the substrate to form a
substrate complex which helps with digesting food. The
substrate joins which the enzyme through the chemical
reaction that takes place in the active site of the Enzyme.
The Enzyme has such a structure that if it denatures than
the substrate won't fit the Enzyme just like lock and key.
The Enzyme will denature if not given the right
temperature and ph
- Enzyme joins together with the substrate to form a
substrate complex which helps with digesting food. The
substrate joins which the enzyme through the chemical
reaction that takes place in the active site of the Enzyme.
The Enzyme has such a structure that if it denatures than
the substrate won't fit the Enzyme just like lock and key.
The Enzyme will denature if not given the right
temperature and ph
- Investigate and describe the effect of
changes in temperature and pH on enzyme
activity
- if the tempetrature is above the
optimal 37.C or the ph is is not
optimal for the enzyme then the
Enzyme will denature
- if the tempetrature is above the
optimal 37.C or the ph is is not
optimal for the enzyme then the
Enzyme will denature
- Explain enzyme action with reference to the
active site, enzyme-substrate complex,
substrate and product
- The enzyme is formed when the substrate joins
with the enzyme by a chemical reaction which
takes place in the active site of the enzyme.
They join together to make the product called
the enzyme-substrate complex
- The enzyme is formed when the substrate joins
with the enzyme by a chemical reaction which
takes place in the active site of the enzyme.
They join together to make the product called
the enzyme-substrate complex
- Explain the specificity of enzymes in terms of the
complementary shape and fit of the active site with
the substrate
- The Enzyme has such a structure that
if it denatures than the substrate won't
fit the Enzyme just like lock and key.
- The Enzyme has such a structure that
if it denatures than the substrate won't
fit the Enzyme just like lock and key.
- Explain the effect of changes in
temperature on enzyme activity in
terms of kinetic energy, shape and
fit, frequency of effective collisions
and denaturation
- There is less enzyme activity when the
temperature is too small or too high. An Enzyme
works best at its optimal temperature which is
normally 37C. If the temperature is not kept
optimal the enzyme will denature and lose its
shape, unable to form anything as the substrate
will not be able to combine together with Enzyme
to form an Enzyme substrate complex
- There is less enzyme activity when the
temperature is too small or too high. An Enzyme
works best at its optimal temperature which is
normally 37C. If the temperature is not kept
optimal the enzyme will denature and lose its
shape, unable to form anything as the substrate
will not be able to combine together with Enzyme
to form an Enzyme substrate complex
- Explain the effect of changes in
pH on enzyme activity in terms
of shape and fit and
denaturation
- Every Enzyme has its own optimal Ph levels of
working, if these Enzymes are not kept at there
optimal temperature the enzyme will
denature(lose its shape) can therefore unable to
give a product by combining with the substrate
- Every Enzyme has its own optimal Ph levels of
working, if these Enzymes are not kept at there
optimal temperature the enzyme will
denature(lose its shape) can therefore unable to
give a product by combining with the substrate
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