Question : Which cytologist demonstrated the role of the endoplasmic reticulum (ER) in protein processing and sorting in a variety of cells in the 1960s?
Option 1: Ralph M. Steinman
Option 2: George E. Palade
Option 3: Nettie Stevens
Option 4: Cyril Darlington
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Correct Answer: George E. Palade
Solution : The correct option is George E. Palade.
George E. Palade, a Romanian-American cell biologist, first revealed the significance of the endoplasmic reticulum (ER) in protein processing and sorting in the 1960s.
Protein synthesis occurs within the ribosome-studded rough endoplasmic reticulum (RER). These ribosomes help translate genetic information into protein sequences. Newly synthesised proteins enter the ER lumen, where they undergo proper folding.
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