hope that helps if not sorry
Answer:
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Explanation:
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Positive selection of t cells occur in .the thymus
The correct answer is signal transduction.
Signal transduction also called cell signaling refers to the conduction of molecular signals from the external of the cell to its internal. The signals perceived by the cells must be conducted efficiently into the cell to make sure an effective response. This step is stimulated by cell-surface receptors.
There are three phases in the procedure of communication or cell signaling, that is, reception, transduction, and response.
Answer:
active, dormant, and extinct.
Explanation:
An active volcano is one which has recently erupted and there is a possibility that it may erupt soon.
A dormant volcano is one which has not erupted in a long time but there is a possibility it can erupt in the future.
An extinct volcano is one which has erupted thousands of years ago and there’s no possibility of eruption.
