Question 7 (0.5 points) ATP is transported across the _______ mitochondrial memb

Question

Question 7 (0.5 points) ATP is transported across the _______ mitochondrial membrane ________ the matrix while ADP is transported __________ the matrix. Question 7 options: A) inner; out of; into B) outer; out of; into C) outer; into; out of D) inner; into; out of Question 8 Of the following molecules, __________ is involved I n the electron transport in the inner mitochondrial membrane of aerobic organisms. Question 8 options: A) heme B) pantothenic acid C) Lipoamide D) thiamine pyrophosphate E) Biotin

Explanation / Answer

Q.7: ATP is synthesized in the mitichondrial matrix. However ATP is required for various cellular processes in cytosol. Hnce ATP must be transported from mitichondrial matrix to the  intermembrane space from where it can easily be passed to the cytosol.

This transport is done with the help of ADP that is present in  intermembrane space. Hence ATP and ADP are translocated with the help of enzyme ADP/ATP translocase i.e ATP is transported aross the inner mitichndrial membrane out of the matrix while ADP is transported into the matrix. Hence (A) is the correct answer.

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