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How many β-subunits are there in proteasomes?(a) 2(b) 3(c) 4(d) 5I have been asked this question by my school teacher while I was bunking the class.My doubt is from Gene Expression Control topic in portion Control of Gene Expression of Cell Biology |
Answer» CORRECT ANSWER is (a) 2 Best explanation: In proteasomes, there are four POLYPEPTIDE rings stacked one on TOP of the other and a cap attached at either side of the stack. The TWO central rings are β-subunits are the main site for proteolysis. |
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