D) oxygen, carbon dioxide when you breathe in, you take in oxygen and when you breath out, you release carbon dioxide.
Beneficial mutations: HIV resistance, lactose tolerance & trichromatic vision
Answer:
There are two types of endoplasmic reticulum: rough endoplasmic reticulum (rough ER) and smooth endoplasmic reticulum (smooth ER). Both types are present in plant and animal cells. The two types of ER often appear as if separate, but they are sub-compartments of the same organelle.
Explanation:
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Lysosomes is to create a digestive enzyme that would be used during waste removal.
What is the question your just stating something with steps.