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andrew11 [14]
3 years ago
15

(20 Points) to whoever solves this CORRECTLY!

Biology
1 answer:
Firdavs [7]3 years ago
5 0

Answer:

D

Explanation:

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The body organs would stop functioning properly.

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Describe, and account for the different levels of protein structure. How can proteins serve functions that are so diverse?
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Answer:

there are four types of protein structure;

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  • quatenary

Explanation:

A protein is a very large biological molecule composed of a chain of smaller molecules called amino acids. Thousands of different proteins are present in a cell, the synthesis of each type of protein being directed by a different gene.

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Contact lens solution is described as a sterile, buffered, isotonic aqueous solution. Explain the importance of the adjectives b
OLEGan [10]

A contact lens is a lens placed on the cornea of the eye.


Importance of buffers in contact lens products:

Buffers: They aim to keep the pH of the solutions at values ​​between 6.6 and 7.8 in order to maintain the lens parameters and the effectiveness of the solutions. They are made by the combination of an acid and its sodium salt (phosphate and acetate for example). Borate and citrate buffers are used.


Importance of isotonicity in contact lens products:

The solution composed by isotonic saline solution.

Isotonia is expressed by osmolarity or cryoscopic lowering

- 0.236 to 0.446 mOsmoles / l (increases during the day)

- If the osmolarity of the mixture is different from that of the tears, it causes discomfort and irritation

• Increased tear secretion

• Increase the blink frequency

- If hypotonia, entry of water to the epithelial cells, if hypertonia: inverse

- Osmolarity restored 1 or 2 minutes after instillation

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What cells in our bodies do NOT undergo meiosis?
ahrayia [7]

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Sex cells

Explanation:

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If a document needs to be passed on to another person for assignment, you would delegate it. When you delegate something you pass it to someone to entrust them with the task. The correct answer is C. 
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