All of the following statements about glucose are true except: Glucose is metabolized in the cytoplasm of prokaryotic organisms. On a low-carb diet, keto acids from glucogenic amino acids will be used to synthesize glucose. Glucose is metabolized in the mitochondria of mature red blood cells. Under non-starvation conditions, the brain relies exclusively on glucose as its fuel source.

Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
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**Question:**

All of the following statements about glucose are true *except*:

- Glucose is metabolized in the cytoplasm of prokaryotic organisms.
- On a low-carb diet, keto acids from glucogenic amino acids will be used to synthesize glucose.
- Glucose is metabolized in the mitochondria of mature red blood cells.
- Under non-starvation conditions, the brain relies exclusively on glucose as its fuel source.

**Explanation:**

The question presents four statements related to glucose metabolism, asking which one is incorrect. It highlights key concepts about glucose utilization in different biological contexts, including cellular metabolism, dietary impact on glucose synthesis, and energy sources for the brain. Note that mature red blood cells lack mitochondria, affecting how and where glucose is metabolized within these cells.
Transcribed Image Text:**Question:** All of the following statements about glucose are true *except*: - Glucose is metabolized in the cytoplasm of prokaryotic organisms. - On a low-carb diet, keto acids from glucogenic amino acids will be used to synthesize glucose. - Glucose is metabolized in the mitochondria of mature red blood cells. - Under non-starvation conditions, the brain relies exclusively on glucose as its fuel source. **Explanation:** The question presents four statements related to glucose metabolism, asking which one is incorrect. It highlights key concepts about glucose utilization in different biological contexts, including cellular metabolism, dietary impact on glucose synthesis, and energy sources for the brain. Note that mature red blood cells lack mitochondria, affecting how and where glucose is metabolized within these cells.
Expert Solution
Step 1: Glucose

Glucose is a simple sugar (monosaccharide) that serves as a primary source of energy for living organisms. It is an essential carbohydrate that plays a crucial role in various metabolic processes.

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