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Cloud [144]
3 years ago
12

A high school girl who is self-conscious about her appearance has been fasting for several days to fit into a dress she intentio

nally bought a size too small for a school dance. Which of her organs/tissues is producing the glucose that is being synthesized through gluconeogenesis?
Biology
1 answer:
myrzilka [38]3 years ago
5 0

Answer: The liver

Explanation:

Gluconeogenesis is a process by which glucose molecules are produced de Novo (from non carbohydrates precursors such as lactate, glycogenic amino acids, and glycerol).

Only the liver can replenish blood glucose through glycogenolysis and gluconeogenesis.

During prolonged fasting or starvation the protein catabolism is speeded up to provide precursors (glucogenic amino acids) for gluconeogenesis.

Gluconeogenesis occurs mainly in the liver because one of the key enzyme glucose-6-phosphatase needed for glucose synthesis is only present in the liver.

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3 0
3 years ago
What is the role of your kidneys in compensating for low levels of oxygen
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Explanation:

When there are low oxygen levels in blood, the blood pH tends to lower. This is because there is an increased level of carbon dioxide in the blood that is converted to carbonic acid by carbonic anhydrase. When carbon acid dissociates, into H⁺ and HCO₃⁻ . The H⁺ influences the increase in acidity of the blood.   The kidneys will excrete most of the H⁺ and retain most of the HCO₃⁻ to help maintain the right blood pH. However, most of blood pH homeostasis is maintained largely by the lungs.

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