Which of the following transcription factors enhance transcription without binding to DNA? 

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#Question id: 32581

#Unit 2. Cellular Organization

Which of the following motor protein has a central motor domain and does not walk at all, but uses the energy of ATP hydrolysis to depolymerize microtubule ends? 

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#Question id: 27480

#Unit 1. Molecules and their Interaction Relevant to Biology

Enantiomers are

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#Question id: 1874

#Unit 4. Cell Communication and Cell Signaling

Which of the following is the single immunodeficiency disease that most profoundly affects CD4-positive T-cells?

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#Question id: 23877

#Unit 13. Methods in Biology

Which of the following would be a reasonably efficient technique for confirming the diagnosis of CML?

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#Question id: 8697

#Unit 9. Diversity of Life Forms

Use the figure to answer the following question.

Which extinct species should be the best candidate to serve as the outgroup for the clade whose common ancestor occurs at position 2 in the figure?