What is the most likely role of a cell that contains an extensive smooth ER? a)

Question

What is the most likely role of a cell that contains an extensive smooth ER? a) It plays a role in storage b) It synthesizes large quantities of lipids. c) It actively exports protein molecules. d) It plays a role in immune function. The cytoskeleton of a cell is composed mostly of what structures a) plasma membrane and cell wall b) nucleus and nucleolus c) microtubules and microfilaments d) endoplasmic reticulum and golgi structures Growth Hormone is produced by the cells of the pituitary gland and regulates the osteocytes that form bone. One would expect that growth hormone is: a) formed in the nucleus b) formed from as vesicles from the rough endoplasmic reticulum c) engulfed into the cell by pinocytosis d) released into the blood by exocytosis e) ingested by phagocytosis.

Explanation / Answer

The answer to question number 43 is b.

following are the functions of smooth endoplasmic reticulam

1...synthesis of lipids,phospholipids and steroids.

2...metabolism of carbohydrates

3...In muscle it regulates the calcium ion concentration.

hence which rules out the option a,c and d

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