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How did a high-fat diet affect the function of mitochondrial electron transfer chains in brown fat? (Hint: Review oxygen's role in the electron transfer chain.)   A. A high-fat diet made the electron transfer chains more efficient, so they likely generated more heat.   B. A high-fat diet made the electron transfer chains less efficient, so they likely generated less heat.

How did a high-fat diet affect the function of mitochondrial electron transfer chains in brown fat? (Hint: Review oxygen's role in the electron transfer chain.)   A. A high-fat diet made the electron transfer chains more efficient, so they likely generated more heat.   B. A high-fat diet made the electron transfer chains less efficient, so they likely generated less heat.

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
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Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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How did a high-fat diet affect the function of mitochondrial electron transfer chains in brown fat? (Hint: Review oxygen's role in the electron transfer chain.)
 
A. A high-fat diet made the electron transfer chains more efficient, so they likely generated more heat.
 
B. A high-fat diet made the electron transfer chains less efficient, so they likely generated less heat.
The image presents two sets of data in bar graph format. **Graph 1: Weight of Brown Fat per Mouse (grams)** - **Y-axis:** Weight of brown fat per mouse (grams) - **X-axis:** Two categories: ND (Normal Diet) and HFD (High-Fat Diet) - **Observations:** - Mice on a normal diet (ND) have lower brown fat weight, around 0.05 grams. - Mice on a high-fat diet (HFD) show a higher weight of brown fat, approximately 0.20 grams. **Graph 2: Mitochondrial Oxygen Consumption (mmol O₂/min/mg protein)** - **Y-axis:** Mitochondrial oxygen consumption (mmol O₂/min/mg protein) - **X-axis:** Two categories: ND (Normal Diet) and HFD (High-Fat Diet) - **Observations:** - Mice on a normal diet (ND) exhibit higher mitochondrial oxygen consumption, around 6 mmol O₂/min/mg protein. - Mice on a high-fat diet (HFD) show lower oxygen consumption, about 4 mmol O₂/min/mg protein. - Error bars are present, indicating variability in the data. These graphs illustrate the effects of diet on brown fat weight and mitochondrial function in mice.
Transcribed Image Text:The image presents two sets of data in bar graph format. **Graph 1: Weight of Brown Fat per Mouse (grams)** - **Y-axis:** Weight of brown fat per mouse (grams) - **X-axis:** Two categories: ND (Normal Diet) and HFD (High-Fat Diet) - **Observations:** - Mice on a normal diet (ND) have lower brown fat weight, around 0.05 grams. - Mice on a high-fat diet (HFD) show a higher weight of brown fat, approximately 0.20 grams. **Graph 2: Mitochondrial Oxygen Consumption (mmol O₂/min/mg protein)** - **Y-axis:** Mitochondrial oxygen consumption (mmol O₂/min/mg protein) - **X-axis:** Two categories: ND (Normal Diet) and HFD (High-Fat Diet) - **Observations:** - Mice on a normal diet (ND) exhibit higher mitochondrial oxygen consumption, around 6 mmol O₂/min/mg protein. - Mice on a high-fat diet (HFD) show lower oxygen consumption, about 4 mmol O₂/min/mg protein. - Error bars are present, indicating variability in the data. These graphs illustrate the effects of diet on brown fat weight and mitochondrial function in mice.
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