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Prokaryotic Cell Structure Quiz

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Questions and Answers

What are the appendages that help some bacteria attach to surfaces?

Cilia

Pili

Fimbriae (correct)

Flagella

What is the composition of the cell wall in prokaryotic cells?

Chitin

Lipopolysaccharide

Peptidoglycan (correct)

Cellulose

What is the main function of flagella in motile bacteria?

Facilitate cell division

Facilitate DNA replication

Rapidly move the bacterium in a fluid medium (correct)

Synthesize proteins

Where is the single chromosome located in prokaryotic cells?

<p>Nucleoid</p> Signup and view all the answers

What is the function of plasmids in prokaryotic cells?

<p>Contain accessory rings of DNA</p> Signup and view all the answers

Study Notes

Bacterial Structure and Function

Fimbriae (or pili) are the appendages that help some bacteria attach to surfaces, facilitating colonization and biofilm formation.

Cell Wall Composition

The cell wall in prokaryotic cells is composed of peptidoglycan (also known as murein), a thick, rigid layer that provides structural support and maintains the cell's shape.

Flagella Function

The main function of flagella in motile bacteria is to enable movement and locomotion, allowing the bacteria to navigate through their environment and respond to stimuli.

Chromosome Location

The single chromosome in prokaryotic cells is located in the cytoplasm, where it is coiled and attached to the cell membrane.

Plasmid Function

The function of plasmids in prokaryotic cells is to provide extra genetic information that can be used to confer antibiotic resistance, degrade toxic compounds, or produce nutrients, among other functions.

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Description

Test your knowledge of prokaryotic cell structure and features with this quiz. Explore the anatomy of bacterial cells, including the composition of the cell wall and the absence of a nucleus. Dive into the unique characteristics of prokaryotic cells and their distinction from eukaryotic cells.