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Prokaryotic Reproduction and Genetic Diversity

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Prokaryotic Reproduction and Genetic Diversity

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Questions and Answers

What is the main difference between prokaryotic cells and eukaryotic cells?

Prokaryotic cells are generally smaller and simpler in structure (correct)

Prokaryotic cells have a nucleus enclosed in a membrane

Prokaryotic cells have membrane-bound organelles

Prokaryotic cells lack ribosomes

Which characteristic makes prokaryotes extremely successful organisms?

They reproduce very quickly and effectively (correct)

They rely on photosynthesis for energy production

They are multicellular organisms

They have membrane-bound organelles

What is the significance of Halophiles among prokaryotes?

They are photosynthetic bacteria

They can withstand extreme temperatures

They are pathogens causing diseases

They require high salt concentrations to grow (correct)

How do Thermoacidophiles differ from other prokaryotes?

Thermoacidophiles thrive in extremely hot and acidic environments Signup and view all the answers

What is a common application of some prokaryotes in the field of manufacturing?

Manufacturing chemicals Signup and view all the answers

What is one key feature of prokaryotic reproduction mentioned in the text?

They reproduce by binary fission Signup and view all the answers

Which process promotes genetic diversity in prokaryotes by taking up foreign DNA from the environment?

Transformation Signup and view all the answers

What is the movement of genes between bacteria by phages called?

Transduction Signup and view all the answers

In which process of genetic recombination in prokaryotes is genetic material transferred between cells?

Conjugation Signup and view all the answers

What role do chemoheterotrophic prokaryotes play in the biosphere?

Decomposers returning nutrients to producers Signup and view all the answers

How do prokaryotes contribute to the biosphere as primary producers?

By converting carbon dioxide to oxygen Signup and view all the answers

What is the ecological term for an interaction in which one organism benefits while neither harming nor helping the other in any significant way?

Commensalism Signup and view all the answers

Which type of bacteria breaks down food undigested by our intestines?

Probiotic bacteria Signup and view all the answers

What is the process by which beneficial bacteria convert milk into cheese?

Fermentation Signup and view all the answers

Which of the following is true about pathogens?

Pathogens cause approximately half of all human diseases Signup and view all the answers

What is the principal ecological role of Prokaryotes mentioned in the text?

Increasing soil fertility by fixing nitrogen Signup and view all the answers

Which process has led to important advances in DNA technology according to the text?

Genetic recombination in prokaryotes Signup and view all the answers