Basics

Question 1

What is the equation for photosynthesis?

Answer 1

6CO2 + 6H2O + energy –> C6H12O6 + 6O2

Question 2

What is a metabolic pathway?

Answer 2

Series of small reactions controlled by enzymes

Question 3

What is phosphorylation?

Answer 3

Adding phosphate to a molecule

Question 4

What is photophosphorylation?

Answer 4

Adding phosphate to a molecule using light

Question 5

What is photolysis?

Answer 5

Splitting of a molecule using light energy

Question 6

What is hydrolysis?

Answer 6

Splitting of a molecule using water

Question 7

What is decarboxylation?

Answer 7

Removal of carbon dioxide from a molecule

Question 8

What is dehydrogenation?

Answer 8

Removal of hydrogen from a molecule

Question 9

What is a photosynthetic pigment?

Answer 9

Coloured substances that absorb the light energy for photosynthesis

Question 10

What is a photosystem?

Answer 10

Photosynthetic pigments attached to proteins

Question 11

What are the two different photosystems?

Answer 11

PSI (700nm) and PSII (680nm)

Question 12

What is the stroma?

Answer 12

Gel-like substance containing enzymes, sugars and organic acids

Question 13

What happens to the carbohydrates produced by photosynthesis?

Answer 13

Not used straight away and stored as starch grains in the stroma

Question 14

What do plants use energy for?

Answer 14

Photosynthesis, active transport, DNA replication, cell division and protein synthesis