Quiz of Enzymes

Enzymes are....

• globular proteins

• fibrous proteins

• primary proteins

• secondary proteins

amylase for hydrolysis....

• amylose

• sucrose

• lactose

• galactose

Largest molecules built up from smaller molecules called....

• anabolic

• catabolic

• metabolic

• hydrolysis

minimum amount of energy needed to do the reaction called....

• activation energy

• catalyzed reaction

• uncatalyzed reaction

• initial rate

amount of product produced per minute called....

• Michaelis-Menten Constant

• rate of reaction

• activation energy

• active site of enzymes

The part of enzymes when the substrate binds...

• active site

• inhibitor

• apoenzymes

• holoenzymes

Factors that effect enzymes reaction, except...

• temperature

• pH

• substrate concentration

• chemical concentration

What is the optimum pH from the graph?

• 1

• 2

• 3

• 4

the picture at the left side called....

• competitive inhibitor

• non competitive inhibitor

• uncompetitive inhibitor

• competition

one of disadvantages of immobilised enzyme is....

• permits re-use of enzyme preparation

• enzyme is stable at temperatures and pH at which it is held and used

• no purification needed

• expensive and need more cost