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Ultimately it came from the sun via photosynthesis in green plants.

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9y ago

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Where do the electrons originate from in the electron transport chain?

The electrons in the electron transport chain originate from the breakdown of glucose during cellular respiration.


What is released during cellular respiration A oxygen B air C energy or D lactic acid?

C. Energy is released during cellular respiration, in the form of chemical energy.


What is the gas released during cellular respiration?

CO2 is released as bi product.Oxygen is utilized in reaction.


Carbon dioxide is released during which portion of cellular respiration?

kreb's cycle


What is taken up by produces during photosynthesis and released by cellular respiration?

oxygen


Is NAD reduced or oxidized during cellular respiration?

NAD is reduced during cellular respiration.


What substances are nedded for cellular respiration to take place and what substances are during cellular respiration?

The substances that are needed for cellular respiration are glucose and oxygen. During cellular respiration, the cells convert food into usable energy.


What term best describes carbon dioxide in cellular respiration?

CO2 serves as an end product that is released from body tissues (cells) after cellular respiration is used to release the energy from an ATP molecule.


What is the sugar created during photosynthesis that provides chemical energy released during cellular respiration?

Glucose


What is released during cellular respiration that organisms need for all life activities?

Energy


What is produced during the process of cellular respiration?

Carbon dioxide is produced during the process of cellular respiration During cellular respiration energy is released in the form of ATP. Oxygen is reduced to form water and Carbon of glucose combines with oxygen to produce carbon dioxide. Thus, carbon dioxide, water and energy are produced during cellular respiration.


Is NAD reduced or oxidized to NADH during cellular respiration?

NAD is reduced to NADH during cellular respiration.