During Sporulation in Bacillus Subtilis,inactive Precursor Forms of New Sigma

question 23

Multiple Choice

During sporulation in Bacillus subtilis,inactive precursor forms of new sigma factors are activated at the appropriate time by

• A)proteolysis.
• B)phosphorylation.
• C)RNA binding.
• D)chaperone re-folding.

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Definitions:

Randomly

In a manner that occurs without a predictable pattern, enabling each member of a set to have an equal chance of selection.

Poisson Probability Distribution

A discrete frequency distribution which gives the probability of a number of independent events occurring in a fixed period of time or space if these events happen with a known constant mean rate and independently of the time since the last event.

Continuous Probability Distribution

A function that describes the likelihood of any outcome within a continuous range of outcomes occurring.

Poisson Distribution

A statistical distribution describing the probability of a given number of events happening in a fixed interval of time or space, assuming events occur with a constant mean rate and independently of the time since the last event.