Answer:
<em><u>Permeability</u></em>
Explanation:
<em>Voltage-activated channels are channels for which a change in the voltage across the membrane alters their PERMEABILITY. </em>
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During the Proterozoic life evolved from simple bacteria having prokaryote cells, first to more complex single celled organisms, the eukaryotes, and then to multi-celled plants and animals. It is also during this time that the earth's atmosphere was transformed by cyanobacteria.
Answer:
It supports and protects the cell.
Explanation:
Answer:
Rh+ blood can be given only once to a non-sensitized person who is Rh- because it develops antibodies and after one exposure blood will be rejected. If an Rh- person is sensitive to Rh+ blood and receives a transfusion of Rh+ blood, it is likely that the donors cells will be rejected and the blood cells will be killed.
Sorry! i cant see the photo clear enough & its blurry! please take a new photo! sorry i couldnt answer ur questions!