Transcription is initiated at the beginning of the 162 nucleotide mRNA leader encoded by a DNA region called trpL.

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#Id: 8788

#Unit 10. Ecological Principles

Species in a community are found together because they depended on each other or simply because they have similar habitat needs.

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#Unit 3. Fundamental Processes

binding by a ribosome, many prokaryotic ORFs contain a short sequence upstream (on the 5’ side) of the start codon called the ribosome binding site (RBS). This element is also referred to as a polypurine stretch Shine–Dalgarno sequence.

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#Unit 8. Inheritance Biology

It can be identified by G banding chromosome. 

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#Id: 6804

#Unit 3. Fundamental Processes

Humans express four Argonaute proteins. AGO2 is the human Argonaute protein in miRNA-containing RISC complexes.

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#Id: 8084

#Unit 1. Molecules and their Interaction Relevant to Biology