Rough endoplasmic reticulum contains ribosomes, while smooth endoplasmic reticulum does not contain ribosomes. The ribosomes are what give rough endoplasmic reticulum its characteristic "roughness."
In this situation, you should direct your partner to manually stabilize the women's head, while you quickly visualize her chest to search for signs of breathing. I hope that this helps you!
B. DNA.
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The answer would be, "C", "Plants".