Answer:
b.Movement of phospholipids in the plasma membrane from one monolayer to the other requires the polar or charged head groupd to enter the hydrophobic interior of the lipid bilayer. This process requires a large positive change in free-energy, thus making this type of movement unlikely without an input of energy
The plasma membrane serves a protective function for the cell and is a selective membrane for particles entry
The side of the epithelia facing the extracellular fluid surrounding the intestine is the<u> </u><u>basolateral </u><u>side.</u>
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- Different amino acid transport mechanisms exist in the intestine basolateral membrane than in the brush border membrane.
- The portion of the plasma membrane at the basolateral side of the cell that confronts other cells and the connective tissue beneath is known as the basolateral cell membrane.
- The membrane at the cell's base and sides is referred to as basolateral.
- A barrier between the cell and the blood or other cells is created by the basolateral membrane.
- Through specialized protein transporters, the basolateral membrane's primary job is to move nutrients from the cell to the blood plasma.
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Answer:
[D]. None of the above
Explanation:
Epithelium are one of the type of four tissues found in living systems. They possess a variety of functions and are found to line/cover the surfaces of most organs. Epithelial tissues are classified based on the number of cell layers (simple and stratified) and shape (squamous, columnar, and cuboidal).
Based on their shape;
- Squamous epithelium are made up of scale-like flat cells that line the surfaces of alveoli of the lungs etc. They are of thin, flat, irregular shaped cells which fit together like floor tiles to form a compact tissue as stated in this question.
- Cuboidal epithelium contains cells whose shape are similar to that of a cuboid i.e. close width and height. They are located in the kidney tubules, thyroid vesicles and in glands like pancreas.
- Columnar epithelium are relatively thin and elongated in shape, hence, they are found in organs and surfaces whose function mainly is absorption and secretion.
Hence, NONE of the mentioned statements are UNTRUE
