_______________ a bacterial enzyme, uses the energy of ATP hydrolysis to introduce negative supercoiling into DNA hence removing positive supercoiling generated during replication.

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#Question id: 3677

#3. Fundamental Processes

Which protein can catalyze the formation of phosphodiester bonds?

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#Question id: 10990

#7. System Physiology – Animal

Sympathetic stimulation of the heart normally causes which of the following conditions?

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#Question id: 2071

#2. Cellular Organization

Diffusion of ions across membranes through specific ion channels is driven by:

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#Question id: 2998

#2. Cellular Organization

Which of the following statement are correct?

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#Question id: 1545

#4. Cell Communication and Cell Signaling

B cells negatively regulated by,