GATE 2019 BT – Question 38

Genetics, Cellular and Molecular Biology · Cell Biology: Eukaryotic cell structure, cell cycle and growth control, cell-cell communication, signalling and signal transduction · 2 marks · Multiple choice

Match organelles P lysosome, Q smooth ER, R Golgi apparatus, S nucleolus with functions 1 foreign-substance digestion, 2 protein targeting, 3 lipid synthesis, 4 protein synthesis, 5 rRNA synthesis.

P–1, Q–3, R–2, S–5
P–1, Q–4, R–5, S–3
P–2, Q–5, R–3, S–4
P–1, Q–4, R–3, S–5

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Show answer and explanation

Correct answer: (A) P–1, Q–3, R–2, S–5

Explanation

Lysosomes digest material, P–1. Smooth ER is important in lipid synthesis, Q–3. Golgi processes and sorts proteins for targeting, R–2. The nucleolus synthesizes rRNA and assembles ribosomal components, S–5. These give A.

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