Answer:
b. messenger ribonucleic acid
Intercalated disks support the synchronized contraction of cardiac muscles
The chromosomes the daughter cells produce through mitosis are the same. In mitosis, a cell duplicates the number of chromosomes in its nucleus to produce two identical daughter cells. So the original cell with 23 pairs (46 total), both daughter cells will have 23 pairs (46 total) each.
Answer:
An amoeba's economic value can be found in medicine and nutrient recycling. According to Biology Reference, certain amoeba species can cause sickness and death, while others are important in maintaining healthy ecosystems because they recycle the nutrients needed by bacteria and keep the bacterium population under control.
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Auditory deals with the sense of hearing and all of the choices start with a different external factor end in a logical response, however, B is the answer because it’s external factor, a siren, is the only one that involves the sense of hearing.