A deletion was engineered into the coding sequence of DnaK of Escherichia coli. This mutation would most likely result in:

A. an increase of heat shock proteins.
B. an increase in DnaJ.
C. a temperature-sensitive bacteria.
D. a temperature-resistant bacteria.
E. a result that cannot be determined.


C

Biology & Microbiology

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The data in the previous graphs indicate that _____

A) a hybrid zone was established after the completion of the bridge B) there was no migration between the two squirrel populations after the bridge was completed C) gene flow occurred from one type of squirrel into the gene pool of the other type of squirrel D) two-way migration of squirrels occurred across the bridge, but without hybridization E) some northern squirrels migrated south, but no southern squirrels migrated north across the bridge

Biology & Microbiology

The cellulase-excreting protist that can account for up to one-third of the biomass of a termite is a member of the genus

A. Trichonympha. B. Euglena. C. Hexamida. D. Trichomonas.

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Toxic shock syndrome toxins are superantigens

Indicate whether this statement is TRUE or FALSE.

Biology & Microbiology

A ratio of 9:3:3:1 is expected among the F2 progeny of a dihybrid cross as a result of ________ of alleles at two loci

Fill in the blank(s) with correct word

Biology & Microbiology