Factors of Genetic Diversity and Recombinant DNA in Prokaryotes Quiz

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What is the function of a sex pilus in prokaryotic cells?

Facilitates movement towards nutrients

Allows transfer of genetic material between cells (correct)

Aids in protection against host immune response

Enhances cell division process

Why are plasmids important in prokaryotic cells?

Provide additional genetic material with new functions (correct)

Contribute to cell energy production

Facilitate cell communication

Regulate gene expression levels

Which prokaryotic feature is an important adaptation for bacteria to survive in harsh environments?

Capsule

Sex pilus

Fimbriae

Endospore (correct)

How do fimbriae contribute to prokaryotic cells' interactions?

Aid in adhesion to surfaces or other cells Signup and view all the answers

Which prokaryotic feature aids in the evasion of a host's immune system?

Capsule Signup and view all the answers

In what process can R plasmids play a significant role in prokaryotes?

Antibiotic resistance Signup and view all the answers

What do resistance genes code for?

Enzymes that hinder the effectiveness of antibiotics Signup and view all the answers

How does acquiring an R plasmid affect a bacterium's resistance to antibiotics?

It makes the bacterium resistant to targeted antibiotics Signup and view all the answers

What can resistance genes lead to in terms of pathogens?

Evolution of drug-resistant pathogens Signup and view all the answers

Which type of prokaryotes use light energy to drive the synthesis of organic molecules from carbon dioxide and water?

Photoautotrophs Signup and view all the answers

What do obligate aerobes need for cellular respiration?

Oxygen Signup and view all the answers

Which category of prokaryotes obtain energy and carbon from organic compounds?

Chemoheterotrophs Signup and view all the answers

What is one factor that gives rise to high levels of genetic diversity in prokaryotes?

Rapid reproduction Signup and view all the answers

Which process involves phages carrying prokaryotic genes from one host cell to another?

Transduction Signup and view all the answers

How do R plasmids spread rapidly through bacterial populations?

Through conjugation Signup and view all the answers

Which term refers to the process where a nonpathogenic cell takes up DNA carrying the allele for pathogenicity?

Transformation Signup and view all the answers

What is the mechanism of genetic recombination in prokaryotes involving viruses that infect bacteria?

Transduction Signup and view all the answers

Why do R plasmids pose a public health concern?

For carrying genes for resistance to multiple antibiotics Signup and view all the answers