Compare and contrast DNA replication in prokaryotes and eukaryotes. Include three commonalities and three distinctions.

Describe the molecular structure of DNA in all organisms. Contrast the differences in DNA structure between prokaryotes and eukaryotes.

Compare and contrast DNA and RNA with respect to structure and function. Include three commonalities and three distinctions.

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Jean KeelingLv2

6 Sep 2018

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1. Transcription versus Replication
a. Given that RNA polymerase does not proofread, do you expect high or low levels of error in transcription as compared with DNA replication?
b. What is the significance of this difference?

2. What are the transcription start and stop signals in eukaryotes and prokaryotes?

The introductory passage describes the use of fluorescent markers to identify halomucin outside of the cell. How could you distinguish between a prokaryotic cell and a eukaryotic cell by using fluorescent markers to identify ribosomes and to identify DNA?

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The ribosomes would be close to the cell wall and the DNA would be in the center of the cell in prokaryotes, but both would be close to the cell wall in all eukaryotes.

The functional ribosomes would be scattered throughout the cell in prokaryotes but close together in the nucleus in eukaryotic cells.

The ribosomes and DNA would appear farther apart in prokaryotes and eukaryotes because this is important for regulating gene expression in prokaryotes.

The ribosomes and DNA would appear close together in prokaryotes because transcription and translation can occur simultaneously, whereas they would be in different locations in eukaryotes.