Answer:
Endoplasmic reticulum (ER), in biology, a continuous membrane system that forms a series of flattened sacs within the cytoplasm of eukaryotic cells and serves multiple functions, being important particularly in the synthesis, folding, modification, and transport of proteins
Explanation:
Answer:
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Explanation:
<em><u>The endosymbiotic theory states that some of the organelles in eukaryotic cells were once prokaryotic microbes. Mitochondria and chloroplasts are the same size as prokaryotic cells and divide by binary fission. Mitochondria and chloroplasts have their own DNA which is circular, not linear.</u></em>
Answer:
Cell membrane surround cells, but cell wall is an extra covering outside plant cells, made up of cellulose
When a factory is emitting large
amounts of CFCs into the atmosphere, it affects the people in that area by the increase
in the level of ocean water. CFCs dissolve in seawater and because they are not
reactive, they just circulate until it becomes saturated.