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Question 548
Biochemistry → General
Classification
Question
SSBAQuestion Header
Which cellular structure lacks a limiting membrane?
Question Stem
—
Options
A
Lysosome
B
Peroxisome
C
Mitochondrion
D
Ribosome
E
Endoplasmic reticulum
Explanation
Ribosomes are non-membrane-bound organelles. Lysosomes, peroxisomes, mitochondria and endoplasmic reticulum possess limiting membranes.
Option Validity
A) Lysosomes are membrane-bound organelles.
B) Peroxisomes possess a limiting membrane.
C) Mitochondria are bounded by two membranes.
E) Endoplasmic reticulum is a membrane-bound system of interconnected cisternae.
Further Reading
Saxena - MRCOG-1 Basic Sciences - Biochemistry, printed pp.124–125.