IB Biology HL B2.2.7 Hl Free Ribosomes Vs Rough Er Questions

Explore how free ribosomes make cytoplasmic proteins while rough-ER-bound ribosomes make secreted, membrane and lysosomal proteins in IB Biology HL B2.2.7.

Exam points

Compare cytoplasmic proteins from free ribosomes with ER-bound proteins for secretion or lysosomes.
Label rough endoplasmic reticulum and polysomes on an electron micrograph of a cell.

[Maximum number: 2]

Outline what happens to the proteins produced by free and bound ribosomes.

Free ribosomes:

Bound ribosomes:

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IB Biology HL B2.2.7 Hl Free Ribosomes Vs Rough Er Questions question 1