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Enzymes

Class 09

<h5>What is TRUE about enzymes?&nbsp;</h5>

Class 9 FBISE

Biology

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What is TRUE about enzymes

To what category of molecules do enzymes belong

What is TRUE about cofactors

Prosthetic groups are.

When we add more substrate to an already occurring enzymatic reaction and there is no increase in the rate of reaction, what would you predict

Which of these graphs correctly shows the effect of temperature on the rate of an enzyme-controlled reaction

The energy required to break chemical bonds and begin the reaction 

The small portion of enzyme molecule (around 34 amino acids) that is directly involved in catalysis 

The chemical reactions in living organisms involved in the synthesis of compounds 

The catalyst in metabolic reactions i.e. the enzyme

The chemical reactions in living organisms that breakdown larger molecules 

A compound/element accelerates a chemical reaction without any change in itself. 

The organic cofactors of enzymes that are loosely attached to enzyme; transport chemical groups from one enzyme to another 

The non-protein molecules or ions required by enzymes for activity e.g., metal ions and organic molecules 

Damage or loss of structure of a molecule 

The temperature at which an enzyme works at its maximum rate 

The proteins that catalyze (i.e. speed up) biochemical reactions but are not changed during the reactions 

The molecules that stop enzymes from working 

The enzyme that digests the lipids into glycerol and fatty acids 

Collective term for all the biochemical reactions that occur in living organisms to maintain life

The molecules that are formed as the result of enzymatic reaction 

The state at which all the active sites of the enzymes are occupied and any more substrate molecules do not find free active sites 

The molecules at the beginning of enzymatic reactions; reactants in enzymatic reactions 

The enzyme that digests starch into disaccharides 

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What is TRUE about enzymes?

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Important MCQs

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What is TRUE about enzymes?

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