The conformation of the backbone of a polypeptide is described completely by the angle(s) of rotation about which bond(s)?

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#Question id: 11240

#Unit 9. Diversity of Life Forms

 Which of the following requires ATP to function, and permits some species to respond to taxes (plural of taxis)?

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#Question id: 15879

#Unit 12. Applied Biology

During which Phase lasts about 3-4 cell generations (the time taken for doubling of cell number), and the duration of a cell generation may vary from 22-48 hr, depending mainly on the plant species?

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#Question id: 28193

#Unit 5. Developmental Biology

Find out the correct prediction of Genomic equivalence?

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#Question id: 1420

#Unit 4. Cell Communication and Cell Signaling

Examination of a cell’s structure reveals condensed chromatin, a shrunken cytoplasm, but unfragmented DNA and a lack of blebbing. If this cell has been triggered to undergo apoptosis by an extrinsic factor, which of the following events has NOT likely happened yet?

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#Question id: 31365

#Unit 1. Molecules and their Interaction Relevant to Biology

To purify ‘A’ from a mixture of these four proteins in a single step, using ion-exchange chromatography, what combination of buffer pH and ion-exchange resin would you select?