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masya89 [10]
3 years ago
15

Ahmed and Gavin are playing both chess and checkers. The probability of Ahmed winning the chess game is

Biology
2 answers:
Vlad1618 [11]3 years ago
7 0

Answer:

i dont understand this question what am i supposed to answer

Explanation:

Paraphin [41]3 years ago
7 0

Answer:

ahmed wins the chest game

Explanation

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Nucleic acids offer variability because they contain alternate for of genes called what
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because they contain alternate forms called alleles

Explanation:

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3 years ago
In prehistoric times volcanic eruptions caused mass extinctions of many species of marine organisms attached to the ocean floor.
Paraphin [41]
Volcanic eruptions spew alot of carbon dioxide and sulphur dioxide into the atmosphere. These gases when mixed with rain and run into oceans increase their pH. Additionally, these gases are greenhouse gases that increases atmospheric temperatures and consequently those of the seas and oceans.
Low pH and high temperatures kill marine life.
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4 years ago
An enzyme was isolated from digestive juices taken from the small intestine. an experiment was set up to test the ability of the
Sergio039 [100]
1. Our results showed that test tube B contained end products of protein digestion, meaning that the isolated enzyme has the ability to break down protein. The end products of protein digestion include small polypeptides, dipeptides, and amino acids. In general, test tube B will contain the building blocks of proteins, which are the amino acids.

2. The two test tubes were placed in a hot water bath at 37oC. This is because the enzyme studied is a human enzyme and it works best at the human body temperature, which is approximately 37oC.
Enzymes are biological catalysts, which means that they accelerate chemical reactions. As a result, an enzyme's activity is greatly affected by temperature. Every enzyme, depending on each function and origin, has a specific range of ideal temperature conditions. If the temperature rises above the maximum accepted, then the enzyme denatures and loses its structure.

3. If the enzyme studied was added in a tube containing starch instead of proteins, then nothing would happen. This is because the enzymes are highly specialized and have very specific actions. It has been proved that this enzyme's activity involves the digestion of proteins.
Starch is a polysaccharide produced by plants, this means that starch is a carbohydrate. Given that starch is not a protein, it will not be digested by the enzyme. An enzyme digesting proteins, will not have any effect on carbohydrates.

4. The smaller molecules which are the result of the digestion happening in the digestive system are absorbed by the human body. More specifically, the products of protein digestion are absorbed by the intestine and then transported into the bloodstream. From the blood, they are then absorbed by other tissues.
After they are absorbed, they are used to build muscles or other compounds which can produce energy.
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4 years ago
What was the species concept most used by Linnaeus?
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The answer is b because it's morphological
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The porphyrin ring of chlorophyll contains the element ___ and the role of the ring is to
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Your answer is Magnesium
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