Download Enzymes - Deans Community High School

Enzymes
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What is a catalyst?
What are enzymes made of?
What does the term metabolism mean?
Draw a diagram showing the biochemical pathway in which compound P is
converted to compound Q by the action of enzyme Y. Compound Q can then be
converted to compound R by the action of enzyme Z.
5. What happens within the cells of someone that does not produce enzyme Z?
6. What causes metabolic errors in an individual?
7. Why are enzymes said to be specific?
8. What does the term denatured mean and what causes it?
9. What does the term optimum mean?
10. What is the optimum pH for enzymes? Give examples.
11. Draw a graph and explain how increasing enzyme concentration affects the rate of
reaction. (there is an unlimited supply of substrate).
12. Draw a graph and explain how increasing substrate concentration affects the rate
of reaction.
13. Explain the difference between competitive and non-competitive inhibitors.
14. What are enzyme activators?
15. What is a co-enzyme and give examples
Protein Synthesis
1. Draw a diagram explaining the structure of protein including the bonds
involved
2. Name the 3 types of tertiary structure and give examples
3. Draw a diagram explaining the sliding filament theory
4. Draw a diagram showing a nucleotide.
5. Show the base pairings in DNA – including the names
6. What are the differences between DNA and RNA?
7. What is a codon?
8. What is the function of tRNA?
9. What is the function of a ribosome?
10. Name the 2 places in the cell where protein synthesis takes place
Energy Transfer
1. Draw the difference in structure between ATP and ADP and show where most of
the energy is stored.
2. State where the different stages of respiration take place.
3. What is glycolysis – including the number of carbon moloecules
4. What is the final hydrogen acceptor?
5. What substance is produced by anaerobic respiration – explain oxygen debt.
6. Name 3 sources of energy within living cells
7. Describe a polysaccharide
8. Which energy sources are used during prolonged exercise
9. Which energy source is used during prolonged starvation?
10. Give 3 uses of lipids
Viruses and Immunity
1. What is natural immunity and give an example
2. What is the function of macrophages?
3. Name the 2 types of lymphocytes – explain how they work and name the
response.
4. Where are T cells made and where do they mature?
5. Describe the difference between active and passive immunity and give examples.
6. What is an allergy?
7. Explain why a person of blood group O can receive only group O blood in a
transfusion
8. What 2 things do all viruses have?
9. Simply state the main stages of viral replication
10. Name 3 things viruses rely upon a cell for
11. What are the differences between a virus and a retrovirus?