Answers

2014-07-23T09:05:21+05:30
R.E.R.=contains ribosomes
S.E.R=No ribosomes
It provide a channel for transportation of material
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2014-07-23T18:01:38+05:30
Rough endoplasmic reticulum contains ribosomes while smooth endoplasmic reticulum contains no ribosomes.it makes a passing place for materials to come in and go out.
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