Photosynthesis and Enzymes

Question 1

Photosynthesis

Answer 1

6CO2 + 6H2O ⟶ C6H12O6 + 6O2
Carbon dioxide + Water ⟶ Glucose + Oxygen

• Process by which green plants make carbohydrates
• Chlorophyll in chloroplast absorbs light energy (sunlight)

Question 2

Limiting Factors

Answer 2

Light intensity, carbon dioxide concentration, temperature
- Factors that decide how much photosynthesis take place

Question 3

Enzymes

Answer 3

• Globular proteins
• Locks or opens a reaction
• Enzyme stays the same even after reaction (specific)
• Increases rate of reaction by lowering activation energy threshold

Question 4

Active Site

Answer 4

The part of the enzyme where the substrate attaches itself

Question 5

Induced Fit

Answer 5

Enzyme induces itself to enable fit of the substrate
- Enzyme and substrate are complementary in shape

Question 6

Temperature, pH, substrate concentration

Answer 6

High temperature/pH - Denature enzyme
Low temperature - renders enzyme inactive
Low pH - Changes shape of active site and reaction can no longer be catalyzed by enzyme
Substrate concentration - Once all enzymes have been bound, increasing substrate concentration will have no effect on rate of reaction since there are no more available enzymes

Question 7

Anabolism

Answer 7

Process by which simple molecule are combined to make a complex molecule

Question 8

Catabolism

Answer 8

Process by which a complex molecule is broken down into simple molecules

Question 9

Allosteric site

Answer 9

Changes the active site and inhibits the process