Enzymes L1

Enzymes

Multiple Select

Which are useful and important roles of enzymes?

• Metabolic catalysts

• Diagnostic tools

• Therapeutic treatments

• Disease protection

Poll

Can enzymes be reused?

• Yes

• No

• Not Sure

Multiple Choice

What defines a substrate?

• The reactant in a biochemical reaction.

• The substance that is metabolised.

• The substance that is catalysed.

• All of these

Multiple Select

Which bonds would a protease enzyme act on?

• Glycosidic

• Hydrogen

• Peptide

• Covalent

Multiple Choice

What is another name for enzymes?

• chemical catalysts
• microorganisms
• biological catalysts
• inorganic catalysts

Multiple Choice

What happens when enzymes are heated to a high temperature?

• The enzymes die.
• The shapes of the enzyme are altered denature
• The enzymes' amino acid sequence changes.
• The enzymes remain the same

Multiple Choice

An enzyme speeds up a chemical reaction in the cell but can only be used once.  True or False? 

• true
• false

Multiple Choice

Enzymes are...

• nucleic acids
• proteins
• lipids
• carbohydrates

Multiple Choice

Any substance that is acted upon by an enzyme is called a(n)?

• Coenzyme
• Substrate
• Vitamin
• Polypeptide

Multiple Choice

With what 3 letters do enzymes typically end?

• -ose
• -ase
• -ese
• -tic

Multiple Choice

Each enzyme only has 1 substrate that will fit its active site.  What is this called?

• reusablility
• denaturation
• specificity
• fragility

Multiple Choice

What is a substance called if it speeds up a chemical reaction?

• reusable
• catalyst
• specific
• fragile