CHAPTER 13- PHOTOSYNTHESIS 🤎 Flashcards
Summarise the process of photosynthesis in two sentences, state where it takes place then write out a balanced equation for photosynthesis (AS level recap)
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State the names of the two main stages of photosynthesis
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*Summarize the light-dependent stage of photosynthesis (including where it takes place and what occurs during this stage)
(use keywords in your explanation then define the three keywords to check your understanding)
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*Summarize the light-independent stage of photosynthesis including where it takes place and what occurs during this stage (use keywords in your explanation)
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*Label all parts of a chloroplast using the diagram in your gallery
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*Explain the functions of the following parts of the chloroplast: lamellae (2), thylakoids (membranes and spaces) (3), grana (1), stroma (1) and ribosomes (1)
(you may include more than one function for each organelle)
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*Use different chloroplast organelles as examples to explain the relationship between the structure and function of chloroplasts (5 marks)
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*Name the four chloroplast pigments
*Explain what photosystems are and the difference between photosystems I and II
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*Explain the role of chloroplast pigments as a whole and then the role of each type of chloroplast pigment in light absorption in thylakoids
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*Use the diagram in your notes to interprete the absorption spectra of chloroplast pigments (explain your understanding in detail)
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*Use the diagram in your notes to interprete the action spectra for photosynthesis (explain your understanding in detail)
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State the similarities between the absorption and action spectrum
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*Which two processes occur during the light-dependent stage of photosynthesis?
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*Explain the process of cyclic photophosphorylation IN DETAIL including all necessary information (use a diagram if necessary)
-state one difference between cyclic and non-cyclic photophosphorylation (long answer question)
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*Explain the process of non-cyclic photophosphorylation IN DETAIL including all necessary information (use a diagram if necessary)
-state at least two similarities between cyclic and non-cyclic phosphorylation (long answer question)
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*Explain the process of photolysis IN DETAIL using two equations and keywords (long answer question)
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*Explain the three main stages of the Calvin cycle IN DETAIL using a diagram if necessary (long answer question)
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*State the uses of some Calvin cycle intermediates (GP and TP) STOPPED HERE
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*State three limiting factors of photosynthesis
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*Explain how light intensity affects the rate of photosynthesis, use graphs in your explanation
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*Explain how temperature affects the rate of photosynthesis, use graphs in your explanation
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*Explain how carbon dioxide concentration affects the rate of photosynthesis, use graphs in your explanation
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*Describe and explain an experiment where chromatography is used to separate chloroplast pigments (refer to the Rf values in identification of chloroplast pigments)
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*Describe and explain an experiment where redox indicators and a suspension of chloroplasts are used to determine the effects of light intensity and light wavelength on the rate of photosynthesis
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