Rho-dependent termination sites within a transcription unit are usually masked by translating ribosomes, and therefore rho cannot act on downstream RNA polymerases. 

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#Id: 6350

#Unit 8. Inheritance Biology

Barr body- Inactivated X chromosome that appears as a condensed, darkly staining structure in most cells of female placental mammals. 

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#Id: 8904

#Unit 2. Cellular Organization

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#Id: 1416

#Unit 4. Cell Communication and Cell Signaling

Phosphorylation of MLC  unfolds the myosin II, active and can assemble into bipolar filaments for contraction. 

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#Id: 9787

#Unit 6. System Physiology – Plant

Lr34 of wheat, maize Rp1 locus, Xa21 in rice and tomato Pto gene are R genes

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#Id: 7889

#Unit 2. Cellular Organization

In mitochondria, the metabolism of sugars is complete: allows 15 times more ATP to be made from a sugar than by glycolysis alone.