Parathyroid Hormone

question 7

Multiple Choice

Parathyroid hormone

• A) signals bone cells to take up calcium from the bloodstream.
• B) enables glucose to enter cells.
• C) enhances the body's ability to absorb and retain calcium.
• D) increases the body's rate of potassium excretion.

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Definitions:

Introns

Regions of an RNA transcript, or its DNA template, which are removed before the RNA is translated into a protein, and do not code for protein.

Transcription

The process by which the information in a strand of DNA is copied into a new molecule of messenger RNA.

Zinc Finger

A small protein structural motif that is characterized by the coordination of one or more zinc ions in order to stabilize the fold.

Posttranscriptional Gene Regulation

The control of gene expression at the RNA level after the transcription process, influencing how and when mRNA is translated into proteins.