In NPLC order of elution of analytes is such that the least polar is eluted first and the most polar last.

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#Id: 1560

#Unit 4. Cell Communication and Cell Signaling

Lipid modifications of Wnt are catalyzed by the O-acetyltransferase Porcupine.

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#Id: 618

#Unit 2. Cellular Organization

Attenuator riboswitch (Leader sequence) region 1 is translated  till UGA (R1-2) in case of high trp concentration

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#Id: 8077

#Unit 13. Methods in Biology

CD spectra is used to

determine whether proteins are properly folded, 

estimate the fraction of the protein that is folded in either of the common secondary structures, and

monitor transitions between the folded and unfolded states.

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#Unit 3. Fundamental Processes

Base excision repair (BER) systems directly remove the damaged base and replace it in DNA.

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#Id: 6306

#Unit 3. Fundamental Processes

Accordingly, iNTP stabilizes the open promoter complex, stimulating transcription. On the other hand, when cells are starved for amino acids, protein synthesis cannot occur readily and the need for ribosomes (and rRNA) decreases. Ribosomes sense the lack of amino acids when uncharged tRNAs bind to the ribosomal site where aminoacyl-tRNAs would normally bind.