Answer:
B
Explanation:
The changed protein connects differently, but its function doesn't change.
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D. it is safer because no radiation is used
Answer: The correct answer is (D) Both A and B
Explanation:
When an axon is depolarized at halfway to the threshold level,the action potential will be generated that would travel 'downstream' i.e towards the synapse and 'upstream' i.e back towards the cell body. This is because both channels on either sides are not under refractory period,i.e they are open.
It doesn't unless you don't brush your teeth or use mouth wash
