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Hsp 70 and Hsp 90 are ____________ involved in the mitochondrial uptake of proteins.

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Hsp 70 and Hsp 90 are ____________ involved in the mitochondrial uptake of proteins.

(a) chaperones

(b) receptors

(c) ligands

(d) glycolipids

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I want to ask this question from Cytoplasmic Membrane Systems topic in division Cytoplasmic Membrane Systems of Cell Biology

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Best answer
The correct answer is (a) chaperones

The best explanation: For uptake into the mitochondria, proteins must be presented to it in an unfolded state. Molecular chaperones Hsp 70 and Hsp 90 prepare the proteins for mitochondrial uptake by unfolding them.

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