Multiple Choice
Which of the following contains an incorrect match of the organelle function/description?
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1. Introduction to Biochemistry
Cell Organelles
Multiple Choice
Which organelles are directly involved in protein synthesis in eukaryotic cells?
A
Smooth endoplasmic reticulum and centrosomes
B
Ribosomes and rough endoplasmic reticulum
C
Mitochondria and peroxisomes
D
Golgi apparatus and lysosomes
Verified step by step guidance1
Understand that protein synthesis in eukaryotic cells primarily involves the translation of mRNA into polypeptide chains, which occurs at specific cellular structures called ribosomes.
Recognize that ribosomes can be found either floating freely in the cytoplasm or attached to the rough endoplasmic reticulum (RER), giving it a 'rough' appearance under a microscope.
Note that the rough endoplasmic reticulum serves as a site where ribosomes synthesize proteins destined for secretion, membrane insertion, or lysosomes.
Identify that other organelles listed, such as smooth endoplasmic reticulum, centrosomes, mitochondria, peroxisomes, Golgi apparatus, and lysosomes, have different primary functions unrelated to the direct synthesis of proteins.
Conclude that the organelles directly involved in protein synthesis are the ribosomes and the rough endoplasmic reticulum.
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