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Regulation of gene expression is the control of the amount and appearance of gene products. This control is vital to allow a cell to produce gene products as they are needed; this gives cells the flexibility to adapt to change, including alterations in the environment, external signals, or damage to the cell.

Which of the following is a CORRECT match of gene type and function?

A

Inducible gene - gene that is transcribed continually.

B

Constitutive gene - gene whose expression is responsive to environmental change.

C

Housekeeping gene - a constitutive gene that is transcribed at a relatively constant level.

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