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: 2327

#XL - T Zoology

9 + 2 arrangement refers to the:

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#Question id: 2328

#XL - T Zoology

Human egg cells obtain nutrients while maturing when surrounding cells

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#Question id: 2329

#XL - T Zoology

Which of the following would be a problem for a cell if it were able to grow to twice its normal size?

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#Question id: 2330

#XL - T Zoology

The cell theory states that

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#Question id: 2331

#XL - T Zoology

Which portion of a phospholipid molecule would be facing the environment outside of the cell?

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#Question id: 2362

#XL - Q Biochemistry

Before a cell divides, the centrioles ______