All types of plastids possess essentially the same structure because they:
Correct answer: D. Can transform from one form to another
- A. Perform the same function
- B. Store food materials like starch, fat and protein
- C. Occur in aerial parts
- D. Can transform from one form to another
Explanation
All the plastids have a common origin and one type of plastid can change into another. Plastids are of 2 main types, i.e leucoplasts and chromoplasts. The leucoplasts are colorless and occur in the cells not exposed to sunlight. The chromoplasts are colored and occur in the cells exposed to sunlight.
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About Cell Structure and Function
Animal, plant, prokaryotic and eukaryotic cells are compared through their membranes, cell walls, nuclei and cytoplasmic organelles. The work includes the structures and functions of mitochondria, chloroplasts, ribosomes, endoplasmic reticulum, Golgi apparatus and lysosomes, as well as chromosome organization and the distinction between chromatin and chromosomes.
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