If the experimental population of E. coli lacks an F factor or F plasmid, and if bacteriophage are excluded from the bacterial cultures, then which of these is a means by which beneficial mutations might be transmitted horizontally to other E. coli cells?

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#Question id: 455

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following is correct for a step in a reaction pathway to serve as a control point

A) irreversible  B) endergonic  C) far from equilibrium

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#Question id: 31390

#Unit 5. Developmental Biology

Which one of the following best describes, the number or amount of different cell types that particular stem cell type can generate? 

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#Question id: 11749

#Unit 7. System Physiology – Animal

Hypoventilation has which of the following effects on neuronal activity?

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#Question id: 330

#Unit 1. Molecules and their Interaction Relevant to Biology

Two charges are placed at a certain distance. If the magnitude of each charge is doubled the force will become

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#Question id: 3903

#Unit 3. Fundamental Processes

The type of RNA that is least stable in cells is __.