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kompoz [17]
3 years ago
13

Muscle fibers contain which of the following?

Biology
1 answer:
Marina86 [1]3 years ago
6 0

Answer: D

Explanation: Muscles are made of sarcolemma (membrane), sarcoplasm(tissue), and they have multi nuclei inside of them.

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The concept of endosymbiosis (chloroplast &amp; mitochondria) is widely accepted. What kind of relationship is it?
melamori03 [73]

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mutualistic

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The interaction between two organisms in which both the organism gets benefitted from each other is called a mutualistic relationship. This mutualistic relationship is seen in the concept of endosymbiosis.

According to the endosymbiotic theory chloroplast and mitochondria are evolved by engulfment of different bacteria by ancestral cells. Then these bacterial remained in a mutualistic relationship with each other and the ancestral cell evolved into a eukaryotic cell.

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