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Description and Tags

Biology

Biochemistry

A-Level Biology

Edexcel A (SNAB)

On the Wild Side

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7 Terms

1
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State the site of light dependent reactions

Thylakoid

2
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Describe photolysis

Water splitting up due to light

3
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State the term used to describe the production of ATP via the light dependent reaction. Explain why it is given this name.

photophosphorylation. Addition of a phosphate group due to light

4
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State the term used to describe the process by which electrons move down the electron transport chain. Explain why the term is used.

Redox

5
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State the three products of the light dependent stage.

  • NADPH

  • ATP

  • Oxygen

6
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State the role of the three products of the light dependent stage

  • ATP- create ADP + Pi

  • NADPH- helps to reduce GP

  • Oxygen- respiration or leaves plant

7
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Describe the process of the light dependent stage.

  • Light energy excite electrons in chlorophyll

  • Electron leaves chlorophyll and enters electron transport chain

  • Photophosphorylation

  • Photolysis

  • Electrons go back to chlorophyll

  • NADP reduced

  • Oxygen leaves as byproduct