IB Biology HL C1.3.14 Hl Thylakoids As Light Dependent Systems Topic Practice

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Study C1.3.14 (HL)—Thylakoids as light-dependent systems conceptsOpen the corresponding Concept lesson for explanations, examples and exam connections.

Question 1

[Maximum number: 1]

The diagram shows a section through a thylakoid. Electrons move from X to Y .

Figure for Question 1 — IB Biology HL

What do the letters X, Y and Z represent?

X

Y

Z

photosystem I

photosystem II

thylakoid space

photosystem II

photosystem I

thylakoid space

ATP synthase

photosystem II

stroma

photosystem II

ATP synthase

stroma

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