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zheka24 [161]
2 years ago
15

5. Which of the following is the best definition of the Krebs cycle?

Biology
1 answer:
yan [13]2 years ago
5 0

Answer: E.

Explanation: the krebs cycle is a series of chemical reactions used by the body to produce energy, or ATP. it does this through the oxidation of pyruvic acid. for this reason, the krebs cycle is also called the citric acid cycle!

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Fill in the blank with the missing word. Be sure to use correct spelling
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The type of inheritance that involves the partial expression of two different
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Explain how the release of sodium and chlorine would lead to a loss of water in the intestines
frosja888 [35]

Answer:

Please find the explanation below

Explanation:

Sodium (Na) and Chlorine (Cl) are two electrolytes that play important role in the absorption of water and nutrients in the small intestine. However, as mentioned in the question, the release of sodium and chlorine would lead to a loss of water in the intestines. This is because of the OSMOTIC phenomenon.

Osmosis is the movement of water molecules from a region of high concentration of water/low concentration of solute to a region of low concentration of water/high concentration of solute via a semipermeable membrane. In this case, the Na+ and Cl- ions serve as the solutes, which when released out of the intestine causes the solution in the intestines to be HYPOTONIC compared to the intestinal environment. This causes an OSMOTIC GRADIENT.

This osmotic gradient i.e. difference in concentration provokes osmotic flow of water from the intestines, which has a low solute/high water concentration, to the outside of the intestines, which has a high solute/low water concentration. Hence, water is lost from the intestine because the solute concentration becomes low when sodium and chlorine ions are released.

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Do eukaryotes have bacteria or archaea? (free brainliest to the first person)
kykrilka [37]
Eukaryotes can’t have bacterial or archaea. This is because eukaryotes and bacterial are 2 different cells as bacteria are prokaryotes...
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