When the lac repressor is bound to allolactose, it can bind to the lac operator.

a. true
b. false


Ans: b. false

Biology & Microbiology

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DNA microarrays are used when studying the

a. genome b. transcriptome c. proteome d. interactome e. ribosome

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The component of a neural signaling pathway in which messages are sorted and interpreted is called

a. a response. b. integration. c. transmission. d. reception. e. action.

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Why do growth rates appear to be declining in many human populations?

A) Families are choosing to have fewer children. B) Death rates are increasing due to disease epidemics and famines. C) Birth rates are decreasing due to famine. D) The carrying capacity has been reached.

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After transformation, heteroduplex formation, and resolution, the resulting daughter cells are ________

A) one transformed and one nontransformed B) both wild type C) both mutant D) both transformed E) both have plasmids

Biology & Microbiology