Question

Name the initial substance which accepts carbon dioxide in the dark reaction?​

Answer 1

Answer:

ATP adenosine tri phosphate

Explanation:

ATP- ATP is adenosine tri phosphate is a type of energy currency which provide energy to biochemical reactions by breaking of its high energy-yielding bonds it does not accept carbon dioxide rather it gets reduced in the reduction and regeneration phase of the dark reaction.

NADP and NADPH- Nicotinamide adenine dinucleotide phosphate is a coenzyme and it worked as reducing power in the reduction phase of the dark reaction.

RUBP- In dark reaction when carbon dioxide molecules enter into the Calvin cycle, it is first accepted by RUBP. This step is catalyzed by the enzyme called Rubisco (ribosome 1-5 Bishopsgate carboxylase oxygenase) to form 2 molecules of 3-PGA. Thus, the correct answer is 'RUBP'.

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