Answer:
The correct answer is "chloroplasts and mitochondria".
Explanation:
Chloroplasts and mitochondria are two essential organelles because of its function of producing Adenosine triphosphate (ATP), the "molecular unit of currency". Chloroplasts are organelles that are found in plants and work in light conditions, whereas mitochondria could produce ATP in the dark. Since the biologist found that the heavier fraction could produce ATP in light it is very likely that it will have chloroplasts, while the light fraction that produces ATP in the dark would likely have mitochondria.
Answer:
Damage to the nerve cells without myelin sneath is permenent because the regeneration of nerve cells can only happen when schwann is present!
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As you can see in the image presented below, there are three levels of biodiversity.
The ecological biodiversity considers the various types of habitats and environmental conditions.
The species diversity studies a number of different species and their interactions.
The genetic diversity presents the diversity of the genetic material within the populations and the advantages that this diversity brings.