Answer:
Astrocytes
Explanation:
Astrocytes are the most numerous cell type within the central nervous system (CNS) and they perform a myriad of tasks ranging from axon guidance and synaptic support, to the control of the blood brain barrier and blood flow.
Answer:
Go to science.org and type your question up, they have plenty of diagrams and i used it to ace all of my bio quizzes.
Explanation:
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<span>In the lock-and-key model of enzyme action, the "Substrate" fits into the "Active site" of the enzyme
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