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NikAS [45]
3 years ago
11

What is the function of epithelial tissue in our body?

Biology
1 answer:
Lisa [10]3 years ago
3 0

Answer:

<u>Functions of epithelial tissue:</u>

  • i. Epithelial tissue covers the body outside and lines the various cavities inside.
  • ii. Epithelial tissue lines the hollow organs, body cavities, blood vessels and ducts.
  • iii. Cells are rested on thin, doubled layered, non-cellular basement membrane.
  • iv. Epithelial tissue has nerve supply of its own.
  • v. Epithelial tissue is avascular (a = without, vascular = vessel), i.e. it lacks its own blood supply and hence, obtains nutrients which diffuse out of blood vessels.
  • vi. Epithelial tissue has the power of division and regeneration. The old injured dead cells are sloughed off regularly and are replaced by new ones.
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Answer:

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Explanation:

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Hope this helps!

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3 years ago
Since both glycolysis and gluconeogenesis are irreversible processes, there is no thermodynamic barrier to their simultaneous op
Ede4ka [16]

Answer:C

Explanation:

It is important for the cell not to activate glycolysis and gluconeogenesis at high rate simultaneously because it is expensive for the cell.

In the break down of one molecule of glucose to pyruvate, one ATP is used in the conversion of glucose to glucose-6-phosphate and one ATP is used in the conversion of fructose-1-phoshate to fructose-1,6-biphosohate. While a total of four ATPs are produced.

Making it a net gain of 2 ATP in glycolysis.

Gluconeogenesis  produces no ATP and requires equivalents of 6 ATP (4 ATP and 2GTP) for one molecule of glucose produced.

(Glycolysis +2ATP) + (gluconeogenesis -6ATP) = -4ATP

There's a net loss of 4ATP if both reactions are activated simultaneously.

5 0
4 years ago
What is the transfer of energy by the motion of heated particles in a gas or liquid?
andreyandreev [35.5K]
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