Rough er are flattened spaces while smooth er are tubular
rough er have ribosomes attached to its outer surface while smooth er does not
rough er plays a part in protein synthesis, while smooth er synthesises fats and steroids, and also detoxifies harmful substances
last one The side groups are what make each amino acid different from the others. Of the 20 side groups used to make proteins, there are two main groups: polar and non-polar. These names refer to the way the side groups, sometimes called "R" groups, interact with the environment.
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Water could not covert from a gas to a liquid.
