BIOLOGY 2E
BIOLOGY 2E
2nd Edition
ISBN: 9781506699851
Author: OpenStax
Publisher: XANEDU PUBLISHING
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Chapter 14, Problem 1VCQ

Figure 14.10 In eukaryotic cells, DNA and RNA synthesis occur in a separate compartment from protein synthesis. In prokaryotic cells, both processes occur together. What advantages might there be to separating the processes? What advantages might there be to having them occur together?

Chapter 14, Problem 1VCQ, Figure 14.10 In eukaryotic cells, DNA and RNA synthesis occur in a separate compartment from protein

Expert Solution & Answer
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Summary Introduction

To review:

The advantages of separate processes of DNA synthesis, transcription and translation in eukaryotes and the same occurring together in prokaryotes.

Introduction:

Prokaryotes are unicellular organisms lacking a well-defined nucleus and membrane-bound cell organelles. Eukaryotes are either unicellular or multicellular organisms with a well-defined nucleus covered by a nuclear membrane, showing nucleoplasm and nucleolus along with the membrane-bound organelles in their cytoplasm like the mitochondria, endoplasmic reticulum, Golgi bodies, chloroplast. Prokaryotes and eukaryotes also differ in the synthesis of DNA, RNA, and proteins.

Explanation of Solution

In prokaryotes, the synthesis of DNA and RNA occurs in the cytoplasm of the cell. No compartmentalization in prokaryotes makes the synthesis of RNA and proteins to occur simultaneously, helping in their quicker synthesis and allowing the cell to reproduce at a quicker rate. This quicker reproduction can bring changes in the cell and can help the cells to evolve.

In eukaryotes, the synthesis of DNA takes place in the nucleus of the cell by a process called the replication of DNA. The synthesis of RNA occurs in the cytoplasm of the cell. The advantages of this separation are that more complex proteins and RNA products are formed separately by a set of specific steps with minimum damage to them. This also prevents the interaction of these molecules among themselves and helps in regulating the gene expression.

Conclusion

Thus, the separation of DNA and RNA synthesis from the synthesis of proteins in eukaryotes helps in the formation of the complex products with minimum damage and their synthesis in prokaryotes occurring together makes them reproduce quickly.

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Chapter 14 Solutions

BIOLOGY 2E

Ch. 14 - How did Meselson and Stahl support Watson and...Ch. 14 - Which of the following components is not involved...Ch. 14 - Which of the following does the enzyme primase...Ch. 14 - In which direction does DNA replication take...Ch. 14 - A scientist randomly mutates the DNA of a...Ch. 14 - The ends of the linear chromosomes are maintained...Ch. 14 - Which of the following is not a true statement...Ch. 14 - During proofreading, which of the following...Ch. 14 - The initial mechanism for repairing nucleotide...Ch. 14 - A scientist creates fruit fly larvae with a...Ch. 14 - Explain Griffith's transformation experiments What...Ch. 14 - Why were radioactive sulfur and phosphorous used...Ch. 14 - When Chargaffwas performing his experiments, the...Ch. 14 - Provide a brief summary of the Sanger sequencing...Ch. 14 - Describe the structure and complementary base...Ch. 14 - Prokaryotes have a single circular chromosome...Ch. 14 - How did the scientific community learn that DNA...Ch. 14 - Imagine the Meselson and Stahl experiments had...Ch. 14 - DNA replication is bidirectional and...Ch. 14 - What are Okazaki fragments and how they are...Ch. 14 - If the rate of replication in a particular...Ch. 14 - Explain the events taking place at the replication...Ch. 14 - What is the role of a primer in DNA replication?...Ch. 14 - Quinolone antibiotics treat bacterial infections...Ch. 14 - How do the linear chromosomes in eukaryotes ensure...Ch. 14 - What is the consequence of mutation of a mismatch...Ch. 14 - An adult with a history of tanning has his genome...
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