my guess is False i think that is the correct answer, because their are mammals that live in the tundra.
Explanation:
In a general way cells communication to each other through chemical signal which can be regarded as their language. Hormones, compounds and neurotransmitters behave like words that are spoken because they tell the cell about its environment and they also pass messages to the cells and the cell acts on the signal received. Each cells has receptors through which they detect different actions to be taken or signals that needs to be responded to, so they are always underground biological conversations.
<span>alpha subunits bind to K+ channels, close them, leading to depolarization.</span>
Cells, tissues, organs, organ systems, whole organism
3 nucleotides code for an amino acid
