The complete enzyme or holoenzyme in E. coli has a molecular weight of ,460 kD. The holoenzyme (a2bbws) can be separated into two components: the core enzyme (a2bbw) and the sigma factor (the s polypeptide), which is concerned specifically with promoter recognition.

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#Unit 13. Methods in Biology

The denser the biological buffer system is, the slower the particle will move in a

centrifugal field

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#Id: 7122

#Unit 6. System Physiology – Plant

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#Id: 6115

#Unit 3. Fundamental Processes

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#Id: 6910

#Unit 8. Inheritance Biology

Reverse duplication - Duplicated segment is inverted.

 

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#Id: 4986

#Unit 6. System Physiology – Plant

Phytochrome is that it enables plants to sense shading by other plants. Plants that increase stem extension in response to shading are said to exhibit a shade avoidance response.