photodynthesis key terms

Question 1

what is a metabolic pathway

Answer 1

series of small reactions controlled by enzymes

Question 2

phosphorylation

Answer 2

adding phosphate to a molecule

Question 3

photophosphorylation

Answer 3

adding phosphate to a molecule using light

Question 4

photolysis

Answer 4

the splitting of a molecule using light

Question 5

photoionisation

Answer 5

when light energy ‘excites’ electrons in an atom or molecule, giving them more energy and causing them to be released. causes the atom or molecule to become a positively charged ion

Question 6

hydrolysis

Answer 6

splitting of a molecule using water

Question 7

decarboxylation

Answer 7

removal of carbons from a molecule (most commonly in the form of CO2)

Question 8

dehydrogenation

Answer 8

removal of hydrogen from a molecule

Question 9

redox reactions

Answer 9

reactions that involve oxidation and reduction

Question 10

coenzyme

Answer 10

molecule that aids the function of an enzyme

Question 11

what are the 2 products of the light dependent reaction

Answer 11

ATP and reduced NAD (P for plants)