1. Cellular respiration is overall an exergonic reaction. To what overall enderg

Question

1. Cellular respiration is overall an exergonic reaction. To what overall endergonic reaction is it coupled (what reaction or molecular product stores part of the energy released from oxidising glucose?

2. Name or provide a function for the thin bands of smooth musle connecting each hair follicle to the papillary layer of the dermis.

3. Name one location in the body where the apical epithelial cells would be cilated

4. What is one function of keratin in apical epithelial cells?

5. The only motile surface modifications or extensions of the apical cell membranes are tiny hair-like structures called

Explanation / Answer

1. Not all cellular respiration reactions are exergonic but few are endergonic also.endergonic reaction is actually run by the enery which us released by exergonic reaction in this energy is used to convert ADP into ATP

ADP->ATP
aerobic reaction is occuring when energy is released during oxidising of glucose.

2. Thin filament of smooth muscle contain dense bodies which are Z fiscs of skeletal and cardiac muscle fibers.

• smooth muscle or actin is present in dermis of hair follicles
• functions of smooth muscle are that it does the flow of blood into arteries..   

3.Lumen of trachea is je place were apical epithelium cells are ciliated.(note:All surface cells are ciliated at apical surface)

4.keratin is protein in epidermis.In epithelial cells it is attached to desmosome protein.

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