Waec Model Questions Vol1 2021 Biology Question 1

Practice essay / theory question 1 from the 2021 Waec Model Questions Vol1 Biology examination. This question covers Cell Structure .

Waec Model Questions Vol1 2021 Biology Essay / Theory
Topic: Cell Structure
Question 1 WAEC_MODEL_QUESTIONS_VOL1 • 2021 • BIOLOGY • essay
Waec Model Questions Vol1 2021 Biology Question 1 diagram

The diagram shows a typical animal cell with its major organelles labelled.

Question Parts

( a )
Identify three organelles that are directly involved in protein synthesis and describe the specific role of each in the process.
( b )
Explain how the structure of the cell membrane enables it to act as a selectively permeable barrier.
( c )
A drug reduces the efficiency of the mitochondrial electron‑transport chain, decreasing ATP production by 30 %. Discuss two cellular activities that would be most affected by this reduction and explain why.

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About This Question

This is Waec Model Questions Vol1 2021 Biology Question 1. It is one of the essay questions from the 2021 Waec Model Questions Vol1 Biology examination.

The question covers Cell Structure .

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