in lakes or wetland such as marshes or swamps
D.) a unicellular organism that has a simple structure and is commonly found in human intestines.
Answer:
★ They exert influence over international environmental policies
Explanation:
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Answer:
The corect answer is a They contain large number of Rough endoplasmic reticulum
Explanation:
The epithelial cells lining the small intestine helps in both digestion nd absoption of nutrients.The epithelial cells do the same by secreting large amount digestive enzymes.
The digestive enzymes are proteins that are produced by rough endoplasmic reticulum, sorted into golgi appratus and then packed into the vesicles.
Small intestine secrete various digestive enzymes as well as bicarbonate that help in the digestion and absorption of nutrients.
