In the given condition where the thylakoids are isolated from the chloroplasts to make the pH of the thylakoid space acidic, the isolated thylakoid will form the ATP.
ATP is also referred to as Adenosine Triphosphate and is correctly called as the energy currency of the cell as it is responsible molecule for carrying the energy units in the cell. When the isolated thylakoids are made to transfer in the pH = 8 basic solution, then the acidic lumen of the chloroplast will be having a higher concentration of H⁺ ions. When they are placed in the basic solution then the H⁺ ions will move out because of the occurrence of concentration gradient which is higher in the lumen than the surrounding. The chloroplasts will now bear synthesis of ATP. Therefore, the isolated thylakoid is able to make ATP when the lumen is acidic, and the surroundings are made basic in nature.
Thus, the thylakoid which is isolated will bear the synthesis of ATP.
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Answer:
Ka = 1.5 × 10⁻⁵
Explanation:
Butyric acid is a weak acid that ionizes according to the following equation:
CH₃-CH₂-CH₂-COOH(aq) ⇄ CH₃-CH₂-CH₂-COO⁻(aq) + H⁺(aq)
We can find the value of the acid dissociation constant (Ka) using the following expression:
where
[H⁺] is the molar concentration of H⁺
Ca is the initial molar concentration of the acid
We can find [H⁺] from the pH.
pH = -log [H⁺]
[H⁺] = antilog -pH = antilog -2.71 = 1.95 × 10⁻³ M
Then,
Answer:
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Explanation:
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The Mesosaurus could not swim between the continents in the open ocean, so the fossils show that the continents must have been together in the past.
Explanation:
One critical point in the use of Mesosaurus to explain continental drift is that they could not swim between the continents in open ocean.
Mesosaurus is known as middle lizard and its fossils have been used to proof that continental drifts truly result. Alfred Wegener is credited with the hypothesis of continental drift in which the land masses where once joined together.
- The fossils of this ancient organism have been discovered in the Southern part of Africa and Eastern part of South America.
- Both continents were once believed to be joined together in geologic time past.
- Mesosaurus was a swamp dwelling animal that could not have swim between the two continents. The ocean will pose a barrier. For its fossils to be found on the two continents, the land masses must have been joined together.
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