Which of the following does not promote stability in stem-loop structure?

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#Question id: 28992

#Unit 7. System Physiology – Animal

Insulin has an AB heterodimer structure with intrachain  and interchain disulfide bridges  such as___

I- One intrachain disulfide bridges (A6-A11) 

II- Two interchain disulfide bridges (A7-B7 and A20-B19)

III- two intrachain disulfide bridges (A6-A11 and A20-B19) 

IV- one interchain disulfide bridges (A7-B7 )

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#Question id: 3764

#Unit 3. Fundamental Processes

What is the role of DNA ligase in the elongation of the lagging strand during DNA replication?

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#Question id: 4222

#Unit 3. Fundamental Processes

Use the figure to answer the question. The figure shows a simple metabolic pathway. According to Beadle and Tatum's hypothesis, how many genes are necessary for this pathway?

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#Question id: 3974

#Unit 3. Fundamental Processes

 A leucine-zipper motif contains

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#Question id: 31073

#Unit 2. Cellular Organization

APC/C^cdh1 is inactivated by cdh1 phosphorylation on multiple site by: