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Cheek cells do not have
A. Cell membrane
B. Nucleus
C. Golgi apparatus
D. Plastids

Last updated date: 13th Jun 2024
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Hint:Cheek cells are a type of epithelial cells that line the surface of cheeks. They are tightly packed in sheets. The cheek cells are simple squamous epithelium. As they are animal cells, they do not have a cell wall. But they have all organelles that a generic animal cell possesses.

Complete answer:The human cheek cell is an animal cell and is a type of epithelial cell specifically simple squamous epithelium type. It lines the inner surface of cheeks and can be obtained by simple scrapings. As the cheek cell is an animal cell, it consists of all the organelles that an animal cell consists of. It has a plasma membrane which is semi-permeable. The cheek cells have dense cytoplasm. It is granular and occupies a large area inside the cell. A prominent central nucleus is found in cheek cells. Cheek cells also have cellular organelles like mitochondria, Golgi apparatus, Endoplasmic reticulum, ribosomes, lysosomes, etc. They are transparent under a microscope and thus need to be dyed to view.
Plastid is a plant cell organelle and hence is not found in cheek cells. It is a membrane-bound organelle that serves important functions like storage and manufacture of important chemical compounds. Pigments needed for photosynthesis in plants are stored in plastids. Some algal and cyanobacterial cells also have plastids. The pigment present in plastid is also responsible for providing characteristic color to organisms in which they are present.

Hence, from the above discussion, we can conclude that option D is the right answer.

Note: The human cheek cells provide protection to the underlying structures of the mouth. Slide preparation for cheek cells is easiest. They can be easily scraped off from the inner side of the oral cavity. Cheek cell scrapings are often used for various diagnostic tests.