Podcast Beta
Questions and Answers
What are cellular signals used for in a large organism?
They are used to communicate between cells.
How do certain cells in organs like the heart and liver communicate with neighboring cells?
They form cellular junctions.
What must a cell have in order to respond to a chemical signal?
A receptor to which the signaling molecule can bind.
How are messages rapidly carried from one part of the body to another in many animals?
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What is necessary to keep neurons functioning properly?
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