Select the organelle which is only present in animal cells:
Correct answer: A. Centrioles
- A. Centrioles
- B. Rough Endoplasmic Reticulum
- C. Microtubules
- D. Ribosomes
Explanation
Centrioles are present in (1) animal cells and (2) the basal region of cilia and flagella in animals and lower plants (e.g. Chlamydomonas). In cilia and flagella, centrioles are called 'basal bodies' but the two can be considered inter-convertible. Centrioles are absent from the cells of higher plants.
This question appeared on the UHS MDCAT 2017 paper, which you can sit online with every answer explained.
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About Animal and Plant Cell
Animal and plant cells share a plasma membrane, cytoplasm, nucleus, ribosomes, mitochondria and endoplasmic reticulum, but plant cells also have a cellulose cell wall, chloroplasts and a large permanent vacuole. Questions cover organelle structure and function, differences between the two cell types, and how membranes control movement of substances.
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