Which represents the backbone of a protein?

Note: R = amino acid side chain

N = nitrogen

Cα = alpha carbon

C = carbonyl carbon

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#Question id: 3769

#Unit 3. Fundamental Processes

Within a double-stranded DNA molecule, adenine forms hydrogen bonds with thymine, and cytosine forms hydrogen bonds with guanine. What is the significance of the structural arrangement?

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#Question id: 19169

#Unit 13. Methods in Biology

Which of the following is not a highly specific biological interaction to be used in affinity chromatography?

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#Question id: 1706

#Unit 4. Cell Communication and Cell Signaling

Which of the following statements is the best example of a primary lymphoid organ?

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#Question id: 4244

#Unit 3. Fundamental Processes

During the elongation phase of translation, which site in the ribosome represents the location where a codon is being read?

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#Question id: 788

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following is true about Z-DNA helix?