_____ Is Known as a Cardiac Pacemaker

question 35

Multiple Choice

_____ is known as a cardiac pacemaker.  

• A) Diastole
• B) Systole
• C) Cardiac muscle
• D) SA node
• E) AV node

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Definitions:

Sperm Membrane

The outer layer of a sperm cell that protects genetic material and mediates its interaction with the egg during fertilization.

Selective Gene Expression

This describes the process by which certain genes are activated to produce a specific set of proteins in different cell types, conditions, or stages of development.

Cell Differentiation

The process by which a less specialized cell becomes a more specialized cell type, crucial in development and specialization of functions.