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enot [183]
3 years ago
8

Which statement best explains why water is known as the universal solvent?

Biology
2 answers:
myrzilka [38]3 years ago
8 0

the answer is Water has the ability to dissolve more substances than any other liquid

reason

nearly 80% of earth is water and it is estimated that 60% of the human body is made up of water

maksim [4K]3 years ago
4 0

The correct answer is D. Water has the ability to dissolve more substances than any other liquid.

Explanation:

In chemistry, a solvent refers to a substance that dissolves other substances. In the case of water (H2O) which is composed of two atoms of hydrogen linked to one of oxygen, this is considered as the universal solvent because this liquid can dissolve most substances. This can be explained as the composition of water includes negative charges (oxygen), and positive charges (hydrogen). This causes water molecules to be attracted to most substances whether they are positively or negatively charged and therefore, water reacts with other substances and dissolves them by breaking the forces between the elements composing the substances. According to this, it can be concluded water is known as the universal solvent because "water has the ability to dissolve more substances than any other liquid".

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Is the correct order in a homeostatic feedback system stimulus, receoptor, control centre, effector?
Fantom [35]

Answer:

Correct

Explanation:

Homeostatic is nothing but ability of a system or living organism to manipulate its internal environment to maintain a stable equilibrium, for example the ability of warm-blooded animals to ascertain a constant body temperature.

The Homoeostatic feedback mechanism has three basis components and they are independent to one another.

These components are receptor, effector and integrating center. The function of receptor is to sense external stimuli and send information to integrating center. The integrating center generally hypothalmus in brain sends this signal to effector for example an organ to react to the stimuli.

So, the order  in a homeostatic feedback system stimulus, receoptor, control centre, effector is correct.

7 0
3 years ago
The body uses two types of amino acids: essential and nonessential. Which of the following statements about essential and noness
zlopas [31]

Answer:There are 11 nonessential amino acids.

Explanation:amino acids are monomers of proteins.proteins are made up of carbon,hydrogen, oxygen and nitrogen.there are 20 amino acids found in proteins.

Plants cam produce all the amino acids they need but animals cannot.

Essential amino acids are those that animals cannot produce by themselves and so need to obtain from their diet.there are 9 in numbers.

Non-essential amino acids are produced by the animals.they are not necessarily non-essential as the name indicates.they are 11 in numbers.

7 0
3 years ago
You are on the scene in the bad part of town for an unresponsive 18-year-old type 1 diabetic patient. his mother states that he
Margaret [11]
<span>The answer would be: Continue patient care by getting a complete SAMPLE history and perform a complete secondary assessment.

If the reading of glucose test is normal, then you can exclude hypoglycemia from the possible diagnosis. Because the patient is accompanied by his mother, you can ask a brief history to exclude other possible diagnosis and complete secondary assessment before further help comes. The information would be beneficial to the healthcare personnel that will comes for help.
</span>
8 0
3 years ago
The organs of vascular plants consist of layers of specialized ___.
stellarik [79]

Answer:

Tissues

Explanation: hope this helps :)

3 0
3 years ago
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Why do the cells transformed with PUC18 and plasmid lux grow in the presence of ampicillin?
Fofino [41]

Answer:

The bacterial cells transformed with PUC18 and plasmid lux grow in the presence of ampicillin, because the DNA of bacterial cells had incorporated parts of plasmid DNA and became ampicillin resistant.

Explanation:

The bacteria showing this property is mainly known as Escherichia coli (E. coli). These bacteria cells generally shows no growth in presence of antibiotic like ampicillin. Whereas when these cells are treated with PUC 18 and plasmid lux, then the bacterial DNA undergo certain transformation due to incorporation of strands of DNA of plasmid into them. This transformation make them resistance to ampicillin, when they are cultured in agar media with ampicillin in it.

3 0
3 years ago
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