Neco 2018 Biology Question 20
Practice objective / multiple choice question 20 from the 2018 Neco Biology examination.
The labelled diagram of an animal cell shows that the total membrane surface area (including the plasma membrane and all internal membranes) is \(2000\ \mu\text{m}^{2}\). The plasma membrane accounts for 30 % of this total, while the rough endoplasmic reticulum (RER) accounts for 15 % of the total membrane area.\n\n(a) Calculate the surface area of the rough ER in square micrometres.\n\n(b) Which organelle is primarily responsible for the synthesis of secretory (export) proteins?
Answer Options
About This Question
This is Neco 2018 Biology Question 20. It is one of the objective questions from the 2018 Neco Biology examination.
Difficulty level: Easy .
Master the Exam!
You've seen a preview, but there are thousands more questions plus AI tutor to break down complex solutions.