Review questions, Oct 18 Part I

 

Please answer the question at the beginning of the class.

 

1. Plants are called_________ because they can provide their own food through photosynthesis.  Animals are called __________ because they depend on organic molecules made by other living organisms.
1. producers..................autotrophs
2. heterotrophs..............producers
3. autotrophs.................decomposers
4. autotrophs.................heterotrophs
5. decomposers.............heterotrophs

 

2. Label the structures in Figure 1 and 2 using following terms.

chloroplast           mitochondria              grana              cristare           thylakoid

thylakoid membrane       thylakoid compartment         matrix              stroma

Intermembrane space

 

1. Which structure contains green pigment called chlorophyll?
2. In which structure(s) are the light reactions performed?

 

3. During photosynthesis, carbon dioxide is _________ to make glucose and water is _________ to give out oxygen.  This is an ___________ reaction fueled by light energy.
1. reduced................oxidized...............endergonic
2. reduced................oxidized...............exergonic
3. oxidized................reduced...............endergonic
4. oxidized................reduced...............exergonic

 

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Review questions, Oct 18 Part II

 

Please answer the question at the end of class.

4. In which structure(s) is the Calvin cycle performed?  Pick the structure(s) from the list in the question 2.

 

5. The Calvin cycle is a series of reactions that _____.

 

1. assemble sugar molecules by fixing carbon
2. produce oxygen gas
3. produce NADPH
4. convert light energy to chemical energy
5. are dependent on light

 

6. In photosynthesis, oxygen is produced as waste during ___________ and carbon dioxide is consumed during ___________.
1. the light reactions............the light reactions
2. the light reactions............the Calvin cycles
3. the Calvin cycles.............the light reactions
4. the Calvin cycles.............the Calvin cycles

 

7. ATP is synthesized during the light reactions via _________.  Similar to cellular respiration, the concentration gradient of H⁺ needed for the ATP synthesis is generated through __________.
1. substrate-level phosphorylation............light energy
2. substrate-level phosphorylation............electron transport chains
3. chemiosmosis.......................................oxidization of NADH
4. chemiosmosis.......................................electron transport chains