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nekit [7.7K]
4 years ago
15

Explain the meaning of the statement: "Tonicity is only useful as a comparative term."

Biology
1 answer:
Marrrta [24]4 years ago
4 0
Tonicity is a comparative term that has no units. It is frequently used when describing what happens in the cell volume at equilibrium. Tonicity always compares a solution and a cell, and it is used to describe only a solution. Tonicity is related to its osmolarity. There are three terms, hypotonic, isotonic, and hypertonic that used to compare the extracellular fluid around.
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Coal is made from the remains of dead plants. It is made of carbon and other elements. Is coal a mineral?
BabaBlast [244]

Answer:

Yes, because is contains carbon

Explanation:

Coal is mostly carbon with variable amounts of other elements; chiefly hydrogen, sulfur, oxygen, and nitrogen. Coal is formed when dead plant matter decays into peat and is converted into coal by the heat and pressure of deep burial over millions of years.

7 0
3 years ago
Does the second law of thermodynamics only apply to living organisms
aliina [53]
<span>The </span>second law of thermodynamics<span> states that the total entropy cannot decrease, </span>only<span> increase. This is why </span>living organisms<span> give off thermal energy: they lower their entropy, but the total entropy increases.</span>
6 0
3 years ago
What 3 letters on mRNA is used for the start codon?
Gre4nikov [31]

Answer:

The codon AUG, commonly known as the start codon, specifies the amino acid methionine. As a result, during protein synthesis, methionine is the first amino acid to dock in the ribosome.

<u>OAmalOHopeO</u>

3 0
3 years ago
A woman with normal blood clotting ability whose father was a hemophiliac and whose mother was normal with no family history of
Alborosie

Answer:

The answer is 25%.

Explanation:

Hemophilia is a recessive illness that is x-linked.

If the husband has normal clotting ability, that means he has the dominant gene since he has only one X chromosome.

Since there is a probability that their child will have hemophilia, this means that the woman, who has 2 X chromosomes but has normal blood clotting abilities, has one dominant and one recessive hemophilia gene.

The probability that their first child will be a male is 50% and the probability that he will have hemophilia is also 50% since he will only get the Y chromosome from the father and the mother has one dominant and one recessive.

So the probability that their first child will be a son with hemophilia is 25%.

I hope this answer helps.

5 0
3 years ago
Which process is caused by some combination of wind, water flow and gravity?
IRINA_888 [86]
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6 0
3 years ago
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