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EleoNora [17]
3 years ago
13

____cells cannot be replaced when they are damaged. options: red blood nerve

Biology
1 answer:
ipn [44]3 years ago
6 0

Answer:

Nerve cells

Explanation:

Nerve cells do not renew themself. Sure, they can be repaired.

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1.0X10 to the negative 7th power mg
Over [174]

Answer:

1.0 × 10-7 milligrams

Explanation:

1.0 × 10-7 milligrams

6 0
3 years ago
When you drink sea water, what type of solution do you expose your cells to?
Alex Ar [27]
The answer should be 1, hypertonic. 

Seawater is highly concentrated in salt, and with that being said, it has a low concentration of water molecules. 

Hypertonic means the solution has a lower water concentration than the other side (cell), vice versa for hypotonic, a high water concentration than the other side of the solution, and for isotonic, it means that both sides of the solution have the same water concentration. 

So, the answer should be 1, hypertonic. 

In addition, when your cells are exposed to hypertonic solution, the water molecules in your cells will start flowing out of the cells, to the outside, due to the difference in water concentration leading to osmosis. Your cells will lose so much water that they may even shrink!
7 0
3 years ago
Which epithelial tissue is shaped like a column
ivanzaharov [21]

Answer:

Columnar epithelial cells are elongated and column-shaped and have a height of at least four times their width. Their nuclei are elongated and are usually located near the base of the cells. Columnar epithelium forms the lining of the stomach and intestines

Explanation:

Epithelium - Wikipedia

Hope this helps : )

3 0
3 years ago
Read 2 more answers
Which statement best describes herd immunity? To provide cows and other live stock with vaccines so diseased do not spread among
Ugo [173]

Answer:

a To provide cows and other live stock with vaccines so diseased do not spread among farmers and cattle herders.

Explanation:

because that one makes the most sense and it is true

5 0
2 years ago
A piece of granite is determined to contain 50 grams of U-238. After on half-life, how much material
zvonat [6]

Answer: Hydrogen-3 or tritium as it is commonly called, has a half life of 12.32 years. If you start with 20 grams of it, how much will remain after 25 years? Ending Amount = Beginning Amount / 2 (time / half-life) Ending Amount = 20 / 2 (25 / 12.32) Ending Amount = 20 / 2 (2.0292) Ending Amount = 20 / 4.0818. Ending Amount = 4.8997 grams

Explanation:

5 0
3 years ago
Read 2 more answers
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