Please help!!! The "light" reactions of photosynthesis?

1. The "light" reactions of photosynthesis

A) convert light energy into chemical energy.

B) occur in all plant and animal cells.

C) occur only at night.

D) occur in both chloroplasts and mitochondria.

E) produce ADP from ATP.

2. Which of the following best represent the components that are necessary for photosynthesis to take place?

A) Mitochondria, accessory pigments, visible light, water, and carbon dioxide

B) Chloroplasts, accessory pigments, visible light, water, and carbon dioxide

C) Mitochondria, chlorophyll, visible light, water, and oxygen

D) Chloroplasts, chlorophyll, visible light, water, and carbon dioxide

3. Which statement about the Calvin cycle is not true?

A) CO2 reacts with RuBP to form 3PG.

B) RuBP forms by the metabolism of 3PG.

C) ATP and NADPH + H+ form when 3PG is reduced.

D) The concentration of 3PG rises if the light is switched off.

E) Rubisco catalyzes the reaction of CO2 and RuBP.

4. Fermentation

A) takes place in the mitochondrion. B) takes place in all animal cells. C) does not require O2. D) requires lactic acid. E) prevents glycolysis.

5.Which statement about the respiratory chain is true? A) It operates only in the absence of oxygen. B) It uses O2 as an oxidizing agent. C) It leads to the production of ADP.

D) It regenerates reducing agents for glycolysis and the citric acid cycle. E) It operates simultaneously with fermentation.

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  • 9 years ago
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    1. The "light" reactions of photosynthesis

    >> A) convert light energy into chemical energy.

    B) occur in all plant and animal cells.

    C) occur only at night.

    D) occur in both chloroplasts and mitochondria.

    E) produce ADP from ATP.

    2. Which of the following best represent the components that are necessary for photosynthesis to take place?

    A) Mitochondria, accessory pigments, visible light, water, and carbon dioxide

    B) Chloroplasts, accessory pigments, visible light, water, and carbon dioxide

    C) Mitochondria, chlorophyll, visible light, water, and oxygen

    >> D) Chloroplasts, chlorophyll, visible light, water, and carbon dioxide

    3. Which statement about the Calvin cycle is not true?

    A) CO2 reacts with RuBP to form 3PG.

    B) RuBP forms by the metabolism of 3PG.

    >>C) ATP and NADPH + H+ form when 3PG is reduced.

    D) The concentration of 3PG rises if the light is switched off.

    E) Rubisco catalyzes the reaction of CO2 and RuBP.

    4. Fermentation

    A) takes place in the mitochondrion. B) takes place in all animal cells. >>>C) does not require O2. D) requires lactic acid. E) prevents glycolysis.

    5.Which statement about the respiratory chain is true? A) It operates only in the absence of oxygen. >> B) It uses O2 as an oxidizing agent. C) It leads to the production of ADP.

    D) It regenerates reducing agents for glycolysis and the citric acid cycle. E) It operates simultaneously with fermentation.

    Source(s): .
  • 4 years ago

    Photosynthesis (image=mild, synthesis=putting jointly), usually, is the synthesis of triose phosphates (and finally starch, glucose and different products) from image voltaic, carbon dioxide and water. Oxygen is likewise produced, as a consequence of splitting water. it rather is arguably the main needed biochemical pathway conventional; virtually all existence relies upon on it. it rather is an extremely complicated technique including many coordinated biochemical reactions. It happens in larger flora, phytoplankton, algae, some bacteria, and a few protists, organisms at the same time reported as photoautotrophs.

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