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charle [14.2K]
1 year ago
6

1. why are pyruvates converted into acetyl-coa prior to entering the krebs cycle? what does this conversion do to the pyruvate m

olecules?
Biology
1 answer:
Volgvan1 year ago
7 0

The Krebs Cycle can best use acetyl coA to make ATP and pyruvate breaks down into acetyl CoA and CO2 this conversion do to the pyruvate molecules.

The required details for pyruvate molecules in given paragraph

Pyruvate is a flexible organic molecule that includes 3 carbon atoms and useful groups - a carboxylate and a ketone group. Pyruvate is concerned in some of key biochemical processes, together with gluconeogenesis, that's the synthesis of glucose, in addition to the synthesis of different key biochemicals. Two molecules of pyruvate are transformed into molecules of acetyl CoA begin text, C, o, A, quit text.

Two carbons are launched as carbon dioxide—out of the six firstly found in glucose. The number one characteristic of pyruvate is to function the transporter of carbon atoms into the mitochondrion for entire oxidation into carbon dioxide.

To know about pyruvate molecules click here

brainly.com/question/1447060

#SPJ4

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We are well aware that there are two stages of photosynthesis:

  • Light dependent reactions
  • Light independent reactions/ Calvin cycle/ dark reactions.

Calvin cycle or light-independent reactions:

This comprise the process during which carbon dioxide enters into the leaves of plants and passes through series of steps to form sugar or food. This process depends on the supply of ATP, (the ATP that is formed previously during light dependent reactions).

Now there are three stages of Calvin cycle:

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During the process of carbon fixation CO2 combines with a 5-carbon compound called RuBP or ribulose-1,5-bisphosphate which results in the synthesis of a 6-carbon compound that splits up in to 2 three carbon compounds called phosphoglyceric acid (3-PGA).

Here out focus will be the process of Reduction.

Reduction is the second stage of Calvin cycle during which phosphoglyceric acid (3-PGA) is converted to glyceraldehyde-3-phosphate (G3P) that is a sugar. During the process of reduction, energy in the form of ATP and NADPH  are used for the conversion of 3-PGA to G3P. As 3-PGA is reduced to G3P, therefore this process is known as reduction.

After reduction, a series of reactions occur that lead to the synthesis of glucose but since focus of our question was reduction, so you can see more details of the process in attached figure.

Hope it helps!



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3 years ago
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