Multiple Choice
In the context of the central dogma, which amino acid is encoded by more than one mRNA codon?
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1. Introduction to Biochemistry
Central Dogma
Multiple Choice
In the context of the central dogma, which cellular structures are the sites of protein synthesis?
A
Ribosomes
B
Lysosomes
C
Golgi apparatus
D
Nucleoli
Verified step by step guidance1
Recall the central dogma of molecular biology, which describes the flow of genetic information from DNA to RNA to protein.
Understand that protein synthesis involves translating the mRNA sequence into a polypeptide chain, a process called translation.
Identify the cellular structure where translation occurs; this is the site where ribosomes read mRNA and assemble amino acids into proteins.
Review the functions of the other organelles listed: lysosomes are involved in degradation, Golgi apparatus in protein modification and sorting, and nucleoli in ribosomal RNA synthesis and ribosome assembly.
Conclude that ribosomes are the cellular structures responsible for protein synthesis according to the central dogma.
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