Discussion
Which of the following combinations regarding cell organelles and their roles is correct?
Answer: B
Ribosomes make proteins, so Ribosome - Protein synthesis is the correct pair. Mitochondria produce ATP through respiration and do not synthesise proteins as their main role. The nucleus holds the genetic material and controls cell activity; it does not carry minerals. Chloroplasts carry out photosynthesis, while transpiration is loss of water vapour through stomata of leaves.
Ribosomes are found free in the cytoplasm and on the rough endoplasmic reticulum, where they read messenger RNA to join amino acids into proteins.
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