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

question 24

Multiple Choice

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

• A)Proteolysis
• B)Phosphorylation
• C)RNA-binding
• D)Chaperone refolding

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Definitions:

Calcium Carbonate

A chemical compound with the formula CaCO3, commonly found in rocks as the minerals calcite and aragonite and is the main component of pearls and the shells of marine organisms.

Clay

1. Any fine-grained sedimentary particle that is finer than 1/256 mm. 2. A family of finely crystalline, hydrous-silicate minerals with a two- or three-layered crystal structure.

Calcium Carbonate

A chemical compound found in rocks as the minerals calcite and aragonite, and is the primary component of shells of marine organisms, snails, and eggs.

O-Horizon

The uppermost layer of soil, primarily composed of organic matter, including decomposed leaves, twigs, and other plant material.