Chapter 18-19

Last update by mayurcooled on 04/23/2014
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A bacterium can make the amino acid glycine or absorb it from its surroundings. A biochemist finds that glycine binds to a repressor protein and causes the repressor to bind to the bacterial chromosome, turning off an operon. If it is like other similar operons, the presence of glycine will result in the _____. ( Concept 18.1)


a.inhibition of bacterial cell division

b.formation of sex pili

c.cessation of the synthesis of glycine

d.production of the repressor protein

e.breakdown of glycine

Answer:
c.cessation of the synthesis of glycine

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