Multiple choice

ATP synthasome is

  1. another name for ATP synthase

  2. used for reoxidation of malate to oxaloacetate

  3. used for converting ribose 5-phosphate into glyceraldehyde 3-phosphate

  4. used for forming ATP from ADP and Pi

  5. phosphate translocase and adenine nucleotide translocase taken together

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E Correct answer
Explanation

Phosphate translocase is second transport system. It is a symporter which transfers one H+ and one H2PO4- into matrix. Adenine nucleotide translocase is first transport system. It is combined in inner mitochondrial membrane. It is a membrane protein (antiporter) which is used for carrying Pi and ADP into matrix and ATP into cytosol. Both  the translocases taken together are known as ATP synthasome.