Lysine  in the histone tails are the most common targets of modification.

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#Unit 5. Developmental Biology

Cortical Rotation The cortical cytoplasm has rotated 30º relative to the internal cytoplasm.

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#Unit 3. Fundamental Processes

Consensus Sequences

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#Unit 3. Fundamental Processes

the RNA guide strand recruits RISC to a target RNA. It has been argued that the length of 22 nucleotides is just long enough to specify a single target sequence uniquely in the large genomes of complex eukaryotes using RNA–RNA base pairing.

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#Unit 10. Ecological Principles

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#Unit 6. System Physiology – Plant

phyB–phyE, appear mostly light-stable in the plant and function primarily in the regulation of LFRs and of shade avoidance involving changes in the R:FR ratio.