Which Part of the Conduction System Has a Firing Rate

question 2

Multiple Choice

Which part of the conduction system has a firing rate of 60 to 100?

• A) SA node
• B) Purkinje fibers
• C) AV node
• D) Bundle branches

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Definitions:

mRNA Transport

The process by which messenger RNA (mRNA) molecules are transported from the nucleus to the cytoplasm in eukaryotic cells for protein synthesis.

Chromatin

is the complex of DNA and proteins that forms chromosomes within the nucleus of eukaryotic cells.

Protein Modifications

Chemical changes that occur to proteins post-synthesis, altering their function and activity.

Regulation of Transcription

The control of gene expression at the DNA transcription stage, determining when and how genes are activated.