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GTP-bound ‘Rabs’ (G-proteins) associated with membranes by a __________ anchor.

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GTP-bound ‘Rabs’ (G-proteins) associated with membranes by a __________ anchor.

(a) lipid

(b) protein

(c) carbohydrate

(d) ribonucleic acid

The question was posed to me by my school teacher while I was bunking the class.

Query is from Cytoplasmic Membrane Systems in section Cytoplasmic Membrane Systems of Cell Biology

1 Answer

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Best answer
Right answer is (a) lipid

The explanation is: Rabs are G-proteins that recruit specific cytosolic tethering proteins to specific membrane surfaces. These are associated with membranes by a lipid anchor.

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