Answer:
D. A signal is sent down an exon within a nerve cell
Explanation:
A fire destroys many of the trees
We have polluted it— the air, water and the ground.
Some people have tried to clean up the environment
Answer:
<h2>K+ movement will be closed or blocked because the outside is more positive charged and K+ is a positive particle.</h2>
Explanation:
Resting potential of a neuron cell is a type of condition in which the neuron lives in rest that means there is no transmission of the impulse takes place. Such type of the condition occurs due to more negative charges inside the cell and more positive charges outside the cell. During this condition potassium ions are in higher condition inside the neuron and the concentration of sodium ions are high at outside of the neuron.
Helicase, DNA polymerase, Ligase and Primase. These are the ones we learned I don't know if there are more.
