Organelles Are surrounded by one or two layers of unit membrane.
This includes: nucleus, mitochondria, lysosomes, peroxiosomes, endoplasmic reticulum (smooth and rough), Golgi complex, Phagosome
1. <span>a. messenger RNA (mRNA)
2. </span><span>c. they have different sugars
3. </span><span>a. uracil
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Answer and Explanation
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It reduces the amount of harmful rays released by the sun and It increases the levels of carbon dioxide in the air.
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