Discuss the Hormonal Control of Milk Production and Ejection

question 6

Essay

Discuss the hormonal control of milk production and ejection.

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Definitions:

Repressor Protein

A negative regulatory protein that inhibits transcription when bound to DNA; some repressors require a corepressor to be active; some other repressors become inactive when bound to an inducer molecule. Compare with activator protein.

Repressible Genes

Genes whose expression is decreased or halted by the presence of a specific substance, often the end product of the gene's pathway.

Negative Control

An experiment or trial that does not include the factor being tested and is used to ensure that the experiment works by way of comparison.

Gene Regulation

The process of turning genes on and off to ensure that the appropriate genes are expressed at the right times and in the right places.