Punnet Square 
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Answer:
Option (4).
Explanation:
Cell membrane potential may be defined as the difference in the electric potential between inside and outside of the cell. This potential is important for the action potential.
The resting membrane potential of the cell is -70mV. This membrane potential is maintained by the potassium ions of the cell. The cell membrane are almost 40 times more permeable to potassium ions than sodium ions and makes the cell membrane potential negative.
Thus, the correct answer is option (4).
 
        
             
        
        
        
Answer:
Question  11 - c. RNA, RNA polymerase
Question 10 - d. second RNA strand
Explanation:
Its me again the person that made the question. I know the answer. I did it and got a 77.7%
I didn't get a good score. But I moved on to Mandatory 2 Step.
The answer I put on all my questions are the answers I used to get a 77.7%
 
        
             
        
        
        
Its is to remove liquid waste from the blood in the form of urine, and keep a stable balance of salts and other substances in the blood and produce erythropoietin, hormone that is the formation of ref blood cells. The kidney remove ursa from the blood through this filtering units called nephrons
        
             
        
        
        
The most common source of contamination with E.coli is by eating contaminated food like meat and eggs.