The answer is option 4 :3
<span>C,H,N,O,SAmino Acid=C+Amino Group+Carboxyl Group+Variable Group<span>4 Levels of Protein Structure:Primary: Order of Amino AcidsSecondary:3-D shapeTertiary: globularQuaternary: 2+ chains linked</span>Fn: Structure, Transport, Communicate, Speed up chemical rxns, Control cell growth</span>
<em>Animal cells do not undergo photosynthesis. Chloroplasts do not exist in animal cells. Chloroplasts are found in several unicellular eukaryotes, such as Euglena. They have both plant and animal traits.</em>
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<em>I hope this helps. </em>
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Explanation:
They are opposites because they are the same chemical reaction but reversed. Cellular respiration takes glucose (from nutrient/food) and oxygen (from atmosphere) in order to make CO2 (think about exhaling) and H20 (water).
Protects the soft tissues<span> of plants and controls interactions with the plants' surroundings. Hopes this helps!! :)</span>