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Questions and Answers
Cristae are the folds of the outer membrane of the mitochondria.
Cristae are the folds of the outer membrane of the mitochondria.
False
The matrix of the mitochondria contains mitochondrial DNA.
The matrix of the mitochondria contains mitochondrial DNA.
True
Mature red blood cells contain a high number of mitochondria.
Mature red blood cells contain a high number of mitochondria.
False
Cells with a high energy demand typically have fewer mitochondria.
Cells with a high energy demand typically have fewer mitochondria.
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Approximately 40 percent of the cytoplasm in heart muscle cells is comprised of mitochondria.
Approximately 40 percent of the cytoplasm in heart muscle cells is comprised of mitochondria.
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Study Notes
Mitochondrial Structure and Function
- Cristae are folds in the inner mitochondrial membrane.
- Cristae increase the inner mitochondrial membrane's surface area.
- This increased surface area provides more space for chemical reactions.
- Matrix is the space within the inner mitochondrial membrane.
- The matrix contains hundreds of enzymes essential for ATP production.
- Mitochondrial DNA is located in the matrix.
- Different cell types possess varying numbers of mitochondria.
- Mature red blood cells lack mitochondria.
- Liver cells can contain over 2,000 mitochondria.
- Cells with higher energy demands typically have more mitochondria.
- Heart muscle cells have approximately 40% of their cytoplasm composed of mitochondria.
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Description
Explore the intricate structure and essential functions of mitochondria, the powerhouse of the cell. This quiz covers key components such as cristae, matrix, and the significance of mitochondrial DNA in energy production. Perfect for biology students diving into cellular respiration and energy dynamics!
