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18 Questions

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Prokaryotic Cell Structure

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Questions and Answers

What is the function of pili in prokaryotic cells?

Attachment (correct)

Food preparation

Reproduction

Movement

What is the shape of cocci bacteria?

Helical

Square-shaped

Rod-shaped

Spherical (correct)

How do some prokaryotic cells move?

By pili

By flagella (correct)

By using their cell wall

By secreting a layer of slime

What is the function of the axial filament in helical bacteria?

Movement Signup and view all the answers

What is the genetic material found in the nucleoid region of prokaryotic cells?

DNA Signup and view all the answers

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

Complex carbohydrates Signup and view all the answers

What is a beneficial role of bacteria in the biosphere?

Decomposition and recycling Signup and view all the answers

What is the shape of bacteria cells?

Unicellular Signup and view all the answers

How do some bacteria reproduce?

Binary fission Signup and view all the answers

What type of movement is exhibited by some bacteria?

Flagellar movement Signup and view all the answers

What is characteristic of prokaryotic cells?

Absence of a true nucleus Signup and view all the answers

What is the function of endospores in bacteria?

Survival in harsh conditions Signup and view all the answers

What is the shape of Spirilla bacteria?

Spiral-shaped Signup and view all the answers

What is the process by which bacteria exchange genetic material through direct contact?

Conjugation Signup and view all the answers

Which type of bacteria can only survive in the presence of oxygen?

Obligate aerobes Signup and view all the answers

What is the purpose of endospore formation in bacteria?

To survive harsh conditions Signup and view all the answers

What is the result of binary fission in bacteria?

Two identical cells Signup and view all the answers

Which type of bacteria can survive in both the presence and absence of oxygen?

Facultative aerobes and anaerobes Signup and view all the answers