题目
单项选择题
Which statement about Transcription and Translation is unique for Prokaryotic cells?
选项
A.Transcription and Translation can occur simultaneously in the cytoplasm
B.Transcription occurs in the nucleus while Translation is performed by ribosomes on the rough endoplasmic reticulum
C.Transcription occurs in the nucleus while Translation occurs in the cytoplasm
D.Both transcription and translation occurs in the nucleus
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标准答案
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思路分析
To analyze the statements about transcription and translation in prokaryotic cells, consider the fundamental cellular organization of prokaryotes versus eukaryotes.
Option 1: 'Transcription and Translation can occur simultaneously in the cytoplasm' — This aligns with prokaryotic biology. Prokaryotes lack a nucleus, so there is no separation between transcr......Login to view full explanation登录即可查看完整答案
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类似问题
Question32 Which one of the following statements describes a key difference between transcription as it occurs in bacteria compared to eukaryotes? Select one alternative: Bacterial translation can start before transcription of the same gene has finished. Bacteria use three distinct RNA polymerases that synthesise different RNA types. In bacteria, synthesis of the RNA chain occurs in the 5′ → 3′ direction. Promoter regions are only found in bacterial operons. ResetMaximum marks: 1 Flag question undefined
Molecular biologists are studying the processes of transcription and translation and have found that they are very similar in prokaryotes and eukaryotes, as summarized in Table 1. Table 1. Comparison of Selected Features of Transcription and Translation Feature of Protein Synthesis Prokaryotes Eukaryotes Transcription RNA Polymerase Present Present mRNA Synthesized Synthesized Location Cytoplasm Nucleus Translation Large Ribosomal Subunit 50S 60S Small Ribosomal Subunit 30S 40S tRNA Present Present Location Cytoplasm Cytoplasm Based on the information in Table 1, which of the following best predicts a key difference in prokaryotes and eukaryotes with regard to transcription and translation?
A tobacco plant can be made to express a gene from fireflies, resulting in the emission of light. Which of the following is the basis for this phenomenon?
In eukaryotes
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