Multiple Choice
Which of the following determines the amino acid sequence of a protein?
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1. Introduction to Biochemistry
Central Dogma
Multiple Choice
In eukaryotic cells, where does protein synthesis (translation) take place?
A
In the mitochondria within the matrix for all cellular proteins
B
On ribosomes in the cytoplasm, including those bound to the rough endoplasmic reticulum
C
In the nucleus on chromatin
D
In the Golgi apparatus during protein modification
Verified step by step guidance1
Understand that protein synthesis, or translation, is the process where ribosomes read mRNA sequences to assemble amino acids into polypeptide chains.
Recall that in eukaryotic cells, ribosomes can be found free in the cytoplasm or attached to the rough endoplasmic reticulum (RER), both serving as sites for translation.
Recognize that while mitochondria have their own ribosomes and can synthesize some proteins, the majority of cellular proteins are synthesized on cytoplasmic ribosomes.
Note that the nucleus is the site of transcription (DNA to mRNA), not translation, so protein synthesis does not occur there.
Understand that the Golgi apparatus is involved in post-translational modification and sorting of proteins, not in the actual synthesis of proteins.
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