SELB ∙ GTP ∙ Sec–tRNASec reads the UGA codon as Sec rather than “Stop,” provided that the ribosomally bound mRNA has a hairpin loop on the 3′ side of the UGA specifying Sec.

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#Id: 10136

#Unit 6. System Physiology – Plant

Auxin-induced proton extrusion acidifies the cell wall and increases cell extension

Auxin increase the rate of proton extrusion (wall acidification), and the kinetics of proton extrusion should closely match those of auxin-induced growth.

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#Id: 883

#Unit 13. Methods in Biology

In humans, chromosome 19 has the highest density of STRs. Disease associated with SSR are called as Repeat expansion diseases.

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#Id: 8455

#Unit 1. Molecules and their Interaction Relevant to Biology

α helices are common components of polypeptide chains, they need to be of a certain minimum length of 6 amino acid

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#Id: 413

#Unit 2. Cellular Organization

H2AX is normally present in only 10%–15% of the nucleosomes in multicellular eukaryotes

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#Id: 6117

#Unit 3. Fundamental Processes

Longer mismatches (2 to 6 bp) recognized by heterodimer of MSH2 and MSH3.  Homologs of MutL, predominantly a heterodimer of MLH1 (MutL homolog) and PMS1 (post-meiotic segregation), bind to and stabilize the MSH complexes