Biology 9700 · AS & A Level · Cells as the basic units of living organisms

Cells as the basic units of living organisms — practice question

Which row gives the correct answer for a typical plant cell?

  • Acell wall: cellulose; cell diameter: $1\text{-}5\,\mu\text{m}$; ribosomes: $80\text{S}$
  • Bcell wall: cellulose; cell diameter: $5\text{-}40\,\mu\text{m}$; ribosomes: $70\text{S}$ and $80\text{S}$
  • Ccell wall: peptidoglycan; cell diameter: $1\text{-}5\,\mu\text{m}$; ribosomes: $70\text{S}$
  • Dcell wall: peptidoglycan; cell diameter: $5\text{-}40\,\mu\text{m}$; ribosomes: $70\text{S}$ and $80\text{S}$

Worked solution & mark scheme

This 1-mark question has a full step-by-step worked solution and mark scheme.

  • Full mark scheme, point by point
  • Step-by-step worked solution
  • Write your answer & get it marked instantly by AI