Enzyme Properties Flashcards Preview

Biological Molecules - Biology - A Level > Enzyme Properties > Flashcards

Flashcards in Enzyme Properties Deck (9)
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1
Q

What to enzyme properties relate to ?

A

Their tertiary structure.

2
Q

How are enzymes so specific ?

A

Only catalyse one reaction .

3
Q

Eg of how enzymes only catalyse one reaction .

A

Maltase only breaks down maltose.
Sucrase only breaks down sucrose.
One complementary substrate will fit into active site.

4
Q

What is the active site shape determined by?

A

The enzymes tertiary structure ( which is determined by enzymes primary structure)

5
Q

Each different enzyme has …

A

Different tertiary structure and different shaped active site.

6
Q

What happens if substrate doesn’t fit active site?

A

No enzyme substrate complex formed and no reaction catalysed.

7
Q

What happens if the tertiary structure of protein is altered in any way?

A

Shape of active shit changes.
Substrate won’t fit into active site.
Enzyme substrate complex not formed and enzyme not long carry out function.

8
Q

What can alter tertiary structure?

A

pH

Temp

9
Q

What is the primary structure of a protein determined by?

A

A gene.

If a mutation occurs that gene could change tertiary structure of enzyme.