Escherichia coli preferentially utilizes glucose by preventing the uptake of lactose and switching off transcription of the lac operon. This mechanism is known as 

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#Question id: 11471

#7. System Physiology – Animal

Hair cells in the vertebrate ear are responsible for transducing sound pressure waves. Ion channels in the hair cell membrane open when ________.

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#Question id: 2060

#2. Cellular Organization

An animal cell lacking carbohydrates on the external surface of its plasma membrane would likely be impaired in which function?

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#Question id: 24014

#Aptitude

The survey research are classified under the

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#Question id: 4747

#8. Inheritance Biology

How does incomplete dominance differ from incomplete penetrance?

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#Question id: 4305

#3. Fundamental Processes

Which of the following molecules is a protein produced by a regulatory gene?