Answer:
To study objects that are way too small
Answer:
Intracellular receptors are located within a cell and bind to molecules that cross directly through the membrane. Membrane receptors are located in the membrane, bind to molecules that cannot cross it, and transmit the signal to the cell interior by changing shape.
Explanation:
Hope This Helps! P.S I Used My Science Book For This
Two main factors :
First, the distance from the earth to the sun allows enough heat (energy), not too much, to be absorbed on earth's surface.
Second, earth's atmosphere allows it to keep most of the heat it absorbed during the day for the night. Otherwise, temperatures would drop down below a life sustaining point.
Answer:
Epithelial tissue has the ability to contract?
This Statement Or Answer Is True!
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