Which of the following are methods used to obtain a pure culture in microbiology?

A. Streak plate method

B. Pour plate method

C. Spread plate method

D. Roll-tube method

E. Enrichment culture

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#Question id: 5751

#XL - S Microbiology

A biochemical mutant that must be supplied with a particular nutrient for growth would be described as a(n)

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#Question id: 5751

#XL - R Botany

A biochemical mutant that must be supplied with a particular nutrient for growth would be described as a(n)

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#Question id: 5752

#XL - S Microbiology

base change that changes a codon for an amino acid to a stop codon

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#Question id: 5752

#XL - R Botany

base change that changes a codon for an amino acid to a stop codon

TLS Online TPP Program

#Question id: 5753

#XL - S Microbiology

A bacterial histidine mutant was plated on minimal medium and a single colony grew. You decide to sequence the histidine biosynthetic gene of the revertant and discover that the original mutation is still present.  This colony must have been able grow due to a

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#Question id: 5754

#XL - S Microbiology

A cell is exposed to EMS (a mutagen that causes guanine to mispair with thymine) and allowed to undergo a few rounds of DNA replication.  The mutational event caused by this mutagen will be