Eukaryotic Gene Regulation Video Lessons

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Problem: In humans, typically only infants produce the enzyme lactase to break down lactose. Some adults have changes in _____ that allow transcription factors to bind and turn on expression of the lactase gene into adulthood.  a. Exons b. RNA polymerase c. Enhancers d. mRNA e. Codons

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Problem Details

In humans, typically only infants produce the enzyme lactase to break down lactose. Some adults have changes in _____ that allow transcription factors to bind and turn on expression of the lactase gene into adulthood. 

a. Exons

b. RNA polymerase

c. Enhancers

d. mRNA

e. Codons

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