Biology

Biology, 21.08.2019 02:30, fernandaElizondo

What is produced by the light-dependent reactions of photosynthesis and used in the calvin cycle?
a. hydrogen and oxygen
b. atp and nadph
c. nadph and oxygen
d. atp and co2

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Biology, 13.09.2019 22:20, jayp02

Photosynthesis can be divided into two steps: the light-dependent reactions and the calvi cycle. which of the following correctly describes the overall process of the calvin cycle? a) the calvin cycle occurs in the thylakoid membrane of chloroplasts b) during the calvin cycle, carbon is oxidized. c) atp and nadph produced by the light reactions are used by the calvin cycle to make carbohydrates d) the calvin cycle breaks down carbohydrates into simpler molecules

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Chemistry, 16.10.2019 19:00, iwhi8131

The rate of o2 production by the light reactions varies with the intensity of light because light is required as the energy source for o2 formation. thus, lower light levels generally mean a lower rate of o2 production. in addition, lower light levels also affect the rate of co2 uptake by the calvin cycle. this is because the calvin cycle needs the atp and nadph produced by the light reactions. in this way, the calvin cycle depends on the light reactions. but is the inverse true as well? do the light reactions depend on the calvin cycle? suppose that the concentration of co2 available for the calvin cycle decreased by 50% (because the stomata closed to conserve water). which statement correctly describes how o2 production would be affected

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Chemistry, 05.11.2019 06:31, salvadorjazmin75

The chemical reaction for photosynthesis is 6 co2 + 12 h2o + light energy → c6h12o6 + 6 o2 + 6 h2o. if the input water is labeled with a radioactive isotope of oxygen, 18o, then the oxygen gas released as the reaction proceeds is also labeled with 18o. which of the following is the most likely explanation? (a) during the light reactions of photosynthesis, water is split, the hydrogen atoms combine with the co2, and oxygen gas is released. (b) during the light reactions of photosynthesis, water is split, removing electrons and protons, and oxygen gas is released. (c) during the calvin cycle, water is split, regenerating nadph from nadp+, and oxygen gas is released. (d) during the calvin cycle, water is split, the hydrogen atoms are added to intermediates of sugar synthesis, and oxygen gas is released.

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Chemistry, 06.11.2019 02:31, gwendallinesikes

The rate of o2 production by the light reactions varies with the intensity of light because light is required as the energy source for o2 formation. thus, lower light levels generally mean a lower rate of o2 production. in addition, lower light levels also affect the rate of co2 uptake by the calvin cycle. this is because the calvin cycle needs the atp and nadph produced by the light reactions. in this way, the calvin cycle depends on the light reactions. but is the inverse true as well? do the light reactions depend on the calvin cycle? suppose that the concentration of co2 available for the calvin cycle decreased by 50% (because the stomata closed to conserve water). which statement correctly describes how o2 production would be affected

Answers: 2

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What is produced by the light-dependent reactions of photosynthesis and used in the calvin cycle?

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