Biology 9700 · AS & A Level · Photosynthesis as an energy transfer process
Photosynthesis as an energy transfer process — practice question
The structures and compounds taking part in the light-dependent stage of photosynthesis are shown, labelled A to J.
A - thylakoid membrane
B - starch grain
C - chlorophyll $a$
D - chlorophyll $b$
E - water
F - NADP
G - electron
H - proton
I - ATP
J - chloroplast envelope
(a)[6]
Complete Table 6.1 by matching each description with one letter chosen from A to J to identify the correct structure or compound.
Descriptions:
• accessory pigment
• location of ATP synthase
• acts as reaction centre
• transports hydrogen atoms
• diffuses through ATP synthase
• broken down in photolysis
(b(i))[1]
Name a polysaccharide that is synthesised as a result of TP production.
(b(ii))[1]
Name the extra element needed to make amino acids from Calvin cycle intermediates.
Worked solution & mark scheme
This 8-mark question has a full step-by-step worked solution and mark scheme. One marking point: “The accessory pigment is D” …