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soldi70 [24.7K]
3 years ago
11

To which region of the stomach does the esophagus connect?

Biology
1 answer:
Dmitrij [34]3 years ago
8 0

Answer:

The cardia is the point in which the esophagus connects the stomach

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The virus uses the host cell to make new viral parts,

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Protein synthesis is important because proteins...
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Proteins have many important roles in cell function like structural support, biocatalysts, receptors.

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The gene that causes sickle cell disease is present in a higher percentage of residents of sub-saharan africa than among those o
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Sickle cell disease has a benefit in malaria infection because it makes the parasites easier to eliminate. This makes a person with sickle cell disease is more likely to survive the malaria infection, which found many in Africa.
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g Identify the statements that accurately describe how hydrogen ion concentration relates to energy production in oxidative phos
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Answer:

- Hydrogen ion concentration is lower in the mitochondrial matrix than in the intermembrane space.  

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- Hydrogen ions enter the mitochondrial matrix via facilitated diffusion.

Explanation:

Oxidative phosphorylation is a metabolic pathway by which Adenosine Triphosphate (ATP) molecules are produced through the transfer of electrons from NADH or FADH2 to molecular oxygen (O2). The hydrogen (H+) ions are pumped from the mitochondrial matrix to the intermembrane space, and this movement of protons generates an electrochemical gradient across the mitochondrial membrane which is used by the ATP synthase to produce ATP. This gradient is generated by the movement of electrons through a series of electron carriers (e.g., cytochrome c and ubiquinone) that are embedded in the inner mitochondrial membrane. The movement of these H+ ions across the semipermeable mitochondrial membrane moving down their electrochemical gradient is named chemiosmosis and is an example of facilitated diffusion.

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3 years ago
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3 years ago
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