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Multiple Choice
Which of the following is found in eukaryotic genes but not prokaryotic genes?
A
Ribosomal RNA
B
Introns
C
Exons
D
Promoters
Verified step by step guidance
1
Understand the structure of eukaryotic and prokaryotic genes. Eukaryotic genes often contain non-coding sequences called introns, which are not present in prokaryotic genes.
Recognize that introns are segments of DNA that do not code for proteins and are removed during RNA processing in eukaryotes.
Identify that exons are coding sequences found in both eukaryotic and prokaryotic genes, as they are the sequences that are expressed and translated into proteins.
Note that ribosomal RNA (rRNA) is a component of the ribosome and is found in both eukaryotic and prokaryotic cells, not specific to eukaryotic genes.
Understand that promoters are DNA sequences that initiate transcription and are present in both eukaryotic and prokaryotic genes, serving as binding sites for RNA polymerase.