Biology Chapter 5 Quiz
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Questions and Answers

What key characteristic differentiates prokaryotic cells from eukaryotic cells?

Prokaryotic cells lack a nucleus.

Identify one function of mitochondria in eukaryotic cells.

Mitochondria are responsible for respiration and energy transfer.

Explain the role of ribosomes in the cell.

Ribosomes are involved in protein synthesis by translating genetic material.

What additional structures do plant cells have that are not found in animal cells?

<p>Plant cells have a rigid cell wall, chloroplasts, and a large vacuole.</p> Signup and view all the answers

Describe the function of the cell membrane.

<p>The cell membrane holds the cell together and controls the movement of substances in and out.</p> Signup and view all the answers

What are plasmids and their significance in bacterial cells?

<p>Plasmids are small loops of extra DNA that provide genes for traits like drug resistance.</p> Signup and view all the answers

List one main component of the plant cell wall and its role.

<p>The plant cell wall is primarily made of cellulose, providing support and strength.</p> Signup and view all the answers

How do bacterial cells replicate their genetic material?

<p>Bacterial cells replicate their genetic material using chromosomal DNA that floats freely in the cytoplasm.</p> Signup and view all the answers

What is the function of chloroplasts in plant cells?

<p>Chloroplasts are involved in photosynthesis, converting light energy into chemical energy.</p> Signup and view all the answers

Describe the significance of the large vacuole in plant cells.

<p>The large vacuole maintains internal pressure and stores cell sap for support.</p> Signup and view all the answers

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