Atp synthases are found in the prokaryotic plasma membrane and in mitochondria and chloroplasts.

(a) propose a hypothesis to account for an evolutionary relationship of these eukaryotic organelles and prokaryotes.

(b) explain how the amino acid sequences of the atp synthases from the different sources could be used to support or refute your hypothesis.

a) ATP synthase is a molecular machine. This enzyme (protein) is in charge of

making ATP and is used by prokaryotes and eukaryotes. The fact that the same enzyme appears in both groups creates a relationship because the easiest way this could happen is by eukaryotes acquiring this mechanisms from prokaryotes. It is believed that in fact this happened through a process known as endosymbiosis, in which prokaryotic cells engulf other cells establishing a symbiotic relationship. After millions of years it eventually became 1 organism.

b) Since ATP synthase is a type of protein one could expect that the amino acid sequence that creates this enzyme should be similar between prokaryotes and eukaryotes and supporting the idea that eukaryotes evolved from prokaryotes.

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consuming the right balance of protein, carbohydrates and fat can you maintain a healthy weight and optimize your energy levels. protein and carbohydrates both contain 4 calories per gram, while fat provides 9 calories per gram.