Drugs, smoking, and exercise. I hope this helps you! <span />
An action potential is an excitatory presynaptic nerve. An EPSP (Excitatory postsynaptic potential) takes place in the dendrites of the postsynaptic nerve. This spreads passively to the axon hillock. Depolarization of this region opens voltage-gated ionic channels. Sufficient membrane depolarization to threshold opens enough to these channels to produce an action potential.
Non myelinated axon; the currents associated with the action potential spread to the depolarized region of the axon.
In myelinated axon; the currents associated with the action potential spread to the next Node of Ranvier.
The action potential travels down the axon to the axon terminals.
The hot plate is the greatest hazard do to the fact that the hot plate will be hotter than the water. It is also plugged into the wall so there is a hazard of if water is spilled onto the hot plate. You could get burned by the electrical water and cause a fire.
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Explanation:
RNA contains the sugar ribose, while DNA contains the slightly different sugar deoxyribose. RNA contains nu leobase uracil while DNA contains thymine.
Viruses aren’t actual cells that carry out the properties of a living organism. Instead they take over a healthy cell as their host and reproduce by hosting the cell during cell division. This is what makes them hard to catch. I would say that viruses don’t carry out living processes and that living organisms do. Both can be found in the body. Viruses aren’t actually alive, they need a host whereas living organisms are self sufficient