Cell c is prokaryotic and i think b is an animal cell as a has a cell wall aswell as a celll membrane
Explanation:
Any organism or substance, especially a microorganism, capable of causing disease, such as bacteria, viruses, protozoa or fungi is pathogen.
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Answer:
Polypeptide F. building blocks of proteins
<span>The sequence is as follows:
c, d, a, b, f, g, e
The impulse starts at the SA node that has its own contraction rhythm (but can be faster or slower depending on other impulses or hormones). That impulse travels then through the atria and is slowed down by the atrioventricular septum except for a region in the right atrium called AV node where the impulse has continuity. The impulse travels then to the ventricles through the AV bundle. The impulse continues through bundle branches to other fibers: Purkinje fibers. These Purkinje fibers cause then a contraction that goes from the apex of the heart and rapidly through the ventricles.</span>
Oil, oil is made from things that has died thousands/millions of years ago.