Prokaryotic vs Eukaryotic Cells - Similarities and Differences - Free Printable
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Step-by-step solution for: Prokaryotic vs Eukaryotic Cells - Similarities and Differences
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Show Answer Key & Explanations
Step-by-step solution for: Prokaryotic vs Eukaryotic Cells - Similarities and Differences
Here is the completed worksheet with explanations for each answer:
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Prokaryotes vs Eukaryotes
(E) Contains mitochondria
→ Mitochondria are membrane-bound organelles found only in eukaryotic cells. They are absent in prokaryotes.
(P) Transduction is a form of genetic recombination that can occur
→ Transduction is a process where bacteriophages (viruses that infect bacteria) transfer genetic material between prokaryotes. It occurs primarily in prokaryotes.
(P) The electron transport chain occurs in the cellular membrane
→ In prokaryotes, the electron transport chain takes place in the plasma membrane since they lack mitochondria. In eukaryotes, it occurs in the inner mitochondrial membrane.
(B) Can contain a cell wall and cell membrane
→ Both prokaryotes (e.g., bacteria) and eukaryotes (e.g., plants, fungi) can have a cell wall in addition to a cell membrane.
(E) Contains the kingdom fungi
→ Fungi are eukaryotic organisms. They are not prokaryotes.
(P) Houses a circular chromosome as its main genetic material
→ Prokaryotes typically have a single, circular chromosome located in the nucleoid region. Eukaryotes have linear chromosomes within a nucleus.
(P) Has no membrane-bound organelles
→ This is a defining feature of prokaryotes. Eukaryotes have membrane-bound organelles like the nucleus, mitochondria, etc.
(E) Has a nucleus
→ Only eukaryotes have a true nucleus enclosed by a nuclear envelope.
(B) Contains cytoplasm within its membrane
→ All living cells, both prokaryotic and eukaryotic, contain cytoplasm inside their cell membrane.
(E) Meiosis is a form of genetic recombination that can occur
→ Meiosis is a type of cell division that occurs in eukaryotes to produce gametes and involves genetic recombination. Prokaryotes do not undergo meiosis.
(P) Conjugation is a form of genetic recombination that can occur
→ Conjugation is a method of horizontal gene transfer in prokaryotes, where DNA is transferred via a pilus. It does not occur in eukaryotes in this way.
(E) Contain the kingdom protista
→ Protists are mostly unicellular eukaryotes. So, they are eukaryotes.
(E) Can use post-transcriptional modifications to create mature RNA
→ Eukaryotes perform splicing, capping, and polyadenylation on pre-mRNA to form mature mRNA. Prokaryotes generally do not modify their RNA extensively.
(E) Can use post-translational modifications to regulate proteins
→ Eukaryotes commonly use modifications like phosphorylation, glycosylation, etc., to regulate protein function. While some prokaryotes can do this, it's far more complex and widespread in eukaryotes.
(P) In a natural setting can use plasmids to express genes not found in their chromosome(s)
→ Plasmids are small, circular DNA molecules common in prokaryotes (especially bacteria). They allow for horizontal gene transfer and expression of additional genes.
(P) Contains a nucleoid
→ The nucleoid is a region in prokaryotes where the circular chromosome is located. It is not membrane-bound. Eukaryotes have a nucleus instead.
(B) Contain ribosomes
→ Both prokaryotes and eukaryotes have ribosomes for protein synthesis. However, prokaryotic ribosomes are 70S, while eukaryotic ones are 80S.
(E) Contains a Golgi apparatus
→ The Golgi apparatus is a membrane-bound organelle involved in modifying, sorting, and packaging proteins. It is found only in eukaryotes.
(P) Contains the domain Archaea
→ Archaea are prokaryotes (no nucleus or membrane-bound organelles), but they are distinct from bacteria. They belong to the prokaryote group.
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1. (E) Contains mitochondria
2. (P) Transduction is a form of genetic recombination that can occur
3. (P) The electron transport chain occurs in the cellular membrane
4. (B) Can contain a cell wall and cell membrane
5. (E) Contains the kingdom fungi
6. (P) Houses a circular chromosome as its main genetic material
7. (P) Has no membrane-bound organelles
8. (E) Has a nucleus
9. (B) Contains cytoplasm within its membrane
10. (E) Meiosis is a form of genetic recombination that can occur
11. (P) Conjugation is a form of genetic recombination that can occur
12. (E) Contain the kingdom protista
13. (E) Can use post-transcriptional modifications to create mature RNA
14. (E) Can use post-translational modifications to regulate proteins
15. (P) In a natural setting can use plasmids to express genes not found in their chromosome(s)
16. (P) Contains a nucleoid
17. (B) Contain ribosomes
18. (E) Contains a Golgi apparatus
19. (P) Contains the domain Archaea
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✔ Summary:
- E (Eukaryote): Statements about nucleus, mitochondria, Golgi, meiosis, fungi, protists, RNA/post-translational modifications.
- P (Prokaryote): Circular chromosome, nucleoid, no membrane-bound organelles, transduction, conjugation, plasmids, electron transport chain in membrane, Archaea.
- B (Both): Cell wall + membrane, cytoplasm, ribosomes.
Let me know if you'd like a printable version or a study guide!
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Prokaryotes vs Eukaryotes
(E) Contains mitochondria
→ Mitochondria are membrane-bound organelles found only in eukaryotic cells. They are absent in prokaryotes.
(P) Transduction is a form of genetic recombination that can occur
→ Transduction is a process where bacteriophages (viruses that infect bacteria) transfer genetic material between prokaryotes. It occurs primarily in prokaryotes.
(P) The electron transport chain occurs in the cellular membrane
→ In prokaryotes, the electron transport chain takes place in the plasma membrane since they lack mitochondria. In eukaryotes, it occurs in the inner mitochondrial membrane.
(B) Can contain a cell wall and cell membrane
→ Both prokaryotes (e.g., bacteria) and eukaryotes (e.g., plants, fungi) can have a cell wall in addition to a cell membrane.
(E) Contains the kingdom fungi
→ Fungi are eukaryotic organisms. They are not prokaryotes.
(P) Houses a circular chromosome as its main genetic material
→ Prokaryotes typically have a single, circular chromosome located in the nucleoid region. Eukaryotes have linear chromosomes within a nucleus.
(P) Has no membrane-bound organelles
→ This is a defining feature of prokaryotes. Eukaryotes have membrane-bound organelles like the nucleus, mitochondria, etc.
(E) Has a nucleus
→ Only eukaryotes have a true nucleus enclosed by a nuclear envelope.
(B) Contains cytoplasm within its membrane
→ All living cells, both prokaryotic and eukaryotic, contain cytoplasm inside their cell membrane.
(E) Meiosis is a form of genetic recombination that can occur
→ Meiosis is a type of cell division that occurs in eukaryotes to produce gametes and involves genetic recombination. Prokaryotes do not undergo meiosis.
(P) Conjugation is a form of genetic recombination that can occur
→ Conjugation is a method of horizontal gene transfer in prokaryotes, where DNA is transferred via a pilus. It does not occur in eukaryotes in this way.
(E) Contain the kingdom protista
→ Protists are mostly unicellular eukaryotes. So, they are eukaryotes.
(E) Can use post-transcriptional modifications to create mature RNA
→ Eukaryotes perform splicing, capping, and polyadenylation on pre-mRNA to form mature mRNA. Prokaryotes generally do not modify their RNA extensively.
(E) Can use post-translational modifications to regulate proteins
→ Eukaryotes commonly use modifications like phosphorylation, glycosylation, etc., to regulate protein function. While some prokaryotes can do this, it's far more complex and widespread in eukaryotes.
(P) In a natural setting can use plasmids to express genes not found in their chromosome(s)
→ Plasmids are small, circular DNA molecules common in prokaryotes (especially bacteria). They allow for horizontal gene transfer and expression of additional genes.
(P) Contains a nucleoid
→ The nucleoid is a region in prokaryotes where the circular chromosome is located. It is not membrane-bound. Eukaryotes have a nucleus instead.
(B) Contain ribosomes
→ Both prokaryotes and eukaryotes have ribosomes for protein synthesis. However, prokaryotic ribosomes are 70S, while eukaryotic ones are 80S.
(E) Contains a Golgi apparatus
→ The Golgi apparatus is a membrane-bound organelle involved in modifying, sorting, and packaging proteins. It is found only in eukaryotes.
(P) Contains the domain Archaea
→ Archaea are prokaryotes (no nucleus or membrane-bound organelles), but they are distinct from bacteria. They belong to the prokaryote group.
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Final Answer Key:
1. (E) Contains mitochondria
2. (P) Transduction is a form of genetic recombination that can occur
3. (P) The electron transport chain occurs in the cellular membrane
4. (B) Can contain a cell wall and cell membrane
5. (E) Contains the kingdom fungi
6. (P) Houses a circular chromosome as its main genetic material
7. (P) Has no membrane-bound organelles
8. (E) Has a nucleus
9. (B) Contains cytoplasm within its membrane
10. (E) Meiosis is a form of genetic recombination that can occur
11. (P) Conjugation is a form of genetic recombination that can occur
12. (E) Contain the kingdom protista
13. (E) Can use post-transcriptional modifications to create mature RNA
14. (E) Can use post-translational modifications to regulate proteins
15. (P) In a natural setting can use plasmids to express genes not found in their chromosome(s)
16. (P) Contains a nucleoid
17. (B) Contain ribosomes
18. (E) Contains a Golgi apparatus
19. (P) Contains the domain Archaea
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✔ Summary:
- E (Eukaryote): Statements about nucleus, mitochondria, Golgi, meiosis, fungi, protists, RNA/post-translational modifications.
- P (Prokaryote): Circular chromosome, nucleoid, no membrane-bound organelles, transduction, conjugation, plasmids, electron transport chain in membrane, Archaea.
- B (Both): Cell wall + membrane, cytoplasm, ribosomes.
Let me know if you'd like a printable version or a study guide!
Parent Tip: Review the logic above to help your child master the concept of prokaryotic and eukaryotic cell worksheet.
