Textbook Question
The diagram of a eukaryotic ribosome shown below contains several errors.
Redraw the diagram, and correct each error using the mRNA sequence shown.
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11. Translation
Ribosomal Structure
Multiple Choice
The RNA components of ribosomes (rRNA) are primarily synthesized in which subnuclear structure in eukaryotic cells?
A
Cytosol
B
Smooth endoplasmic reticulum
C
Nucleolus
D
Golgi apparatus
Verified step by step guidance1
Understand that ribosomal RNA (rRNA) is a key component of ribosomes, which are essential for protein synthesis in cells.
Recall that in eukaryotic cells, rRNA is synthesized in a specific subnuclear structure dedicated to producing and assembling ribosome components.
Identify the nucleolus as the subnuclear structure where rRNA genes are transcribed and initial ribosome assembly begins.
Recognize that other options like the cytosol, smooth endoplasmic reticulum, and Golgi apparatus have different functions unrelated to rRNA synthesis.
Conclude that the nucleolus is the primary site of rRNA synthesis within the nucleus of eukaryotic cells.
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