Epithelial tissue always has an exposed outer surface anchored to connective tissue by a thin, non-cellular structure called the basement membrane.
<h3>What is the basement membrane? </h3>
Thin layers of a specialized extracellular matrix that form the supporting structure supporting the growth of epithelial and endothelial cells are called the basement membranes. They surround the muscle and fat cells and the Schwann cells of peripheral nerves.
There is one common denominator regarding the basement membrane. This is because they are always in close opposition to cells.
It has been well demonstrated that basement membranes are not only for the provision of mechanical support and for dividing the tissues into compartments but also influence cellular behavior.
Collagen IV,laminin-entactin/nidogen complexes, and proteoglycans are the major molecular components of the basement membrane.
Therefore, epithelial tissue is anchored to connective tissue by a thin, non-cellular structure called the basement membrane.
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Answer:
The first heart sound (S1) represents closure of the atrioventricular (mitral and tricuspid) valves as the ventricular pressures exceed atrial pressures at the beginning of systole (point a). S1 is normally a single sound because mitral and tricuspid valve closure occurs almost simultaneously.
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Answer:
I think that the answer is C.
Explanation:
If the levels of algae were too high then it would be the reason as to why the fish died. When the algae went back to normal,the fish were able to live there again.
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You are correct the answer is B. Good luck and good job
Answer:
c. to protect the organism
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