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
In neurons, the primary site of protein synthesis (translation) is which cellular structure?
A
Golgi apparatus in the axon hillock
B
Mitochondrial matrix in the soma
C
Smooth endoplasmic reticulum in the axon terminal
D
Ribosomes, often attached to rough endoplasmic reticulum (Nissl bodies in the soma and dendrites)
Verified step by step guidance1
Understand that protein synthesis, or translation, occurs where ribosomes are located within the cell.
Recall that ribosomes can be free in the cytoplasm or attached to the rough endoplasmic reticulum (RER), which is specialized for protein synthesis.
In neurons, the rough endoplasmic reticulum is prominent in the soma and dendrites and is known as Nissl bodies, serving as the main site for protein synthesis.
Recognize that other organelles listed, such as the Golgi apparatus, mitochondrial matrix, and smooth endoplasmic reticulum, have different primary functions unrelated to the initial translation of proteins.
Conclude that the primary site of protein synthesis in neurons is the ribosomes, especially those attached to the rough endoplasmic reticulum (Nissl bodies) in the soma and dendrites.
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