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Inner membrane convolutions of a mitocho...

Inner membrane convolutions of a mitochondria are known as

A

lamellae

B

thylakoids

C

grana

D

cristae

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**Step-by-Step Solution:** 1. **Understanding Mitochondria Structure**: Mitochondria are double-membraned organelles found in eukaryotic cells. They have an outer membrane and an inner membrane. 2. **Identifying the Inner Membrane Features**: The inner membrane of mitochondria is highly folded, creating structures that increase the surface area for biochemical reactions. 3. **Naming the Convolutions**: The folds of the inner membrane are specifically referred to as "cristae." This term is used to describe the numerous invaginations that extend into the mitochondrial matrix. 4. **Differentiating from Other Terms**: It’s important to note that terms like "lamella," "thylakoids," and "grana" are associated with chloroplasts, not mitochondria. Cristae are unique to mitochondria. 5. **Conclusion**: Therefore, the inner membrane convolutions of a mitochondrion are known as cristae. **Final Answer**: Cristae ---

**Step-by-Step Solution:** 1. **Understanding Mitochondria Structure**: Mitochondria are double-membraned organelles found in eukaryotic cells. They have an outer membrane and an inner membrane. 2. **Identifying the Inner Membrane Features**: The inner membrane of mitochondria is highly folded, creating structures that increase the surface area for biochemical reactions. 3. **Naming the Convolutions**: The folds of the inner membrane are specifically referred to as "cristae." This term is used to describe the numerous invaginations that extend into the mitochondrial matrix. ...
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