Because they are prokaryotes. And they lack cell organelles such mitochondria which produces produces ATP.
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They do.
This is therefore a bad question. If it came from your teacher, go to your principal and get your teacher fired. You're not going to learn biology from someone who doesn't know the subject.
This is therefore a bad question. If it came from your teacher, go to your principal and get your teacher fired. You're not going to learn biology from someone who doesn't know the subject.