A fully folded 100-residue protein is only about 40 kJ ∙ mol−1 more stable than its unfolded form (for comparison, the energy required to break a typical hydrogen bond is ∼20 kJ ∙ mol−1).

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#Id: 10463

#Unit 4. Cell Communication and Cell Signaling

MYC-MAX dimers regulate genes that control proliferation, such as cyclins.

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#Id: 4588

#Unit 13. Methods in Biology

Flow cytometry or FACS is the sine qua non (without which, nothing) of the modern immunologist’s toolbox.

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#Id: 3600

#Unit 3. Fundamental Processes

All the amino acids except methionine and tryptophan have more than one codon.

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#Id: 2404

#Unit 3. Fundamental Processes

The Gre factors/TF11S enable the polymerase to cleave a few ribonucleotides from the 3' terminus of the RNA product, thereby allowing the catalytic site of RNA polymerase to be realigned with the 3' -OH.

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#Id: 3156

#Unit 7. System Physiology – Animal

Total lung capacity =Vital capacity + Residual volume