Question

17. Write two similarities and one dissimilarity
between mitochondria and plastid.​

Answer 1

Answer:

#similarities-

They both have

1. A double membrane surrounding the organelles.

2.Both organelles have chemical cycles in which the initial acceptor is regenerated at the end of the cycle. In mitochondria, the Krebs cycle occurs after which oxaloacetate is regenerated at the end of the reaction. In chloroplasts, the Calvin cycle occurs in which ribulose bisphosphate is regenerated at the end of the reaction.

#dissimilarities-

1. Mitochondria are involved in cellular respiration whereas plastids (chloroplasts) are involved in photosynthesis. Thus, the overall chemical reactions for the processes occurring in them are different and reversed.

2. Mitochondria are found in all animal and plant cells. Chloroplasts, however, are found in only specific types of plant cells, such as the palisade mesophyll and spongy mesophyll cells of leaves

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Answer 2

Answer:

Mitochondria and Plastids are very important cell organelles that perform different functions. The main difference between Mitochondria and Plastids are that plastids are present only in plants, mitochondria on the other hand is present in all eukaryotic cells.

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