In the case of Zane which is described above; he has been
feeling low for some weeks already, he is generally weak, he has difficulty
concentrating, he has gained nearly 10 pounds and sleeps 10 to 11 hours each
night. The diagnosis of his condition may be major depressive disorder.
The correct answer is option C. Single celled organisms and soft, bone less animals. The Precambrian ear was believed to be before evolution. Meaning more plants and complex animals. Therefore, organisms were single celled during that time.
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Peptide bonds are formed in the synthesis of proteins primary structure.
while hydrogen bonds are formed in the synthesis of proteins secondary structure.
In primary structure of protein, amino acids together to form a peptide bond will inturn produce primary structure of protein.
Plant and animal cells both undergo mitotic cell divisions. Their main difference is how they form the daughter cells during cytokinesis. During that stage, animal cells form furrow or cleavage that gives way to formation of daughter cells. Due to the existence of the rigid cell wall, plant cells don't form furrows