297
Question
Cells of many protistans, plants, and fungi, but not animals, commonly have
Cells of many protistans, plants, and fungi, but not animals, commonly have
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Solution
The correct option is A Cell wall
- The cell wall is a structural layer outside the cell membrane, which provides the cell with structural support and protection and is found in algae, fungi, plants, bacteria, and archaea, but not animals.
- Ribosomes are minute particles with associated proteins and RNA to synthesize proteins and they can be found floating in the cytoplasm or attached to the endoplasmic reticulum. Ribosomes are present in both prokaryotic and eukaryotic cells.
- The plasma membrane is composed of a phospholipid bilayer arranged back to back and covered in cholesterol and protein molecules. Plasma membrane is present in all living cells.
- Mitochondria are rod-shaped organelles, considered the power generators of the cell which convert nutrients and oxygen into ATP. They are not present in bacteria.
Hence, the correct answer is 'cell wall'
- The cell wall is a structural layer outside the cell membrane, which provides the cell with structural support and protection and is found in algae, fungi, plants, bacteria, and archaea, but not animals.
- Ribosomes are minute particles with associated proteins and RNA to synthesize proteins and they can be found floating in the cytoplasm or attached to the endoplasmic reticulum. Ribosomes are present in both prokaryotic and eukaryotic cells.
- The plasma membrane is composed of a phospholipid bilayer arranged back to back and covered in cholesterol and protein molecules. Plasma membrane is present in all living cells.
- Mitochondria are rod-shaped organelles, considered the power generators of the cell which convert nutrients and oxygen into ATP. They are not present in bacteria.
Hence, the correct answer is 'cell wall'
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