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Biology Chapter 5: Cell Structure and Function

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Biology Chapter 5: Cell Structure and Function

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Questions and Answers

What distinguishes plant cells from animal cells in terms of structure?

Plant cells have a cell wall made of cellulose and chloroplasts for photosynthesis.

How does osmosis differ from diffusion in cellular processes?

Osmosis specifically refers to the movement of water across a semipermeable membrane, while diffusion involves the movement of particles from high to low concentration.

What role do stem cells play in plant growth and development?

Stem cells in meristems allow for differentiation into various specialized cell types, supporting plant growth.

Describe how active transport is utilized in root hair cells.

<p>Root hair cells use active transport to absorb nutrients from the soil against the concentration gradient, requiring energy.</p> Signup and view all the answers

During mitosis, what happens to chromosomes?

<p>Chromosomes replicate and then separate into two daughter cells, ensuring each cell has the same genetic information.</p> Signup and view all the answers