Choice "C" In an Endothermic Reaction, a reactant is taking energy (in this case sunlight).
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Generally, epithelial cells serve the function of protection of the inner layers of the structure they are on. The fact that these columbar epithelium and transitional epithelium cells have smooth walls and are dome shaped allows them to stretch. This stretching helps the bladder retain more urine than it would be able to if the epithelial cells were rigid.
Because grasslands do not have many trees, only lots of grass and flat earth. Even if there were flying birds and tree animals, there'd be very few of these, with the fact that there are almost no trees at all in grasslands.
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Answer:
B, The rigid cell wall of green plants is composed of cellulose.
Explanation:
Cellulose is an organic compound, classified as a carbohydrate, that makes up a tough cell wall surrounding plant cells. It is a polysaccharide with beta 1, 4 d-glucose linkages (very strong bonds) making it very difficult to degrade by hydrolysis and enzymatic action. Through that, cellulose serves an important structural component because it provides roots and stems their rigidity, toughness and protection from microbial degradation.
