BIO 101 - Lab 9 (Osmosis and Diffusion)

This is a picture of

• Cell wall
• Cell membrane
• chloroplast
• mitochondria

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The cell membrane is selectively permeable, which means...

• All materials can enter and leave the cell

• Certain things can enter while others cannot

• The cell manually sorts through all materials

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Which cells are more efficient at obtaining nutrients?

• Small Cells
• Medium Size Cells
• Large Cells
• X-Large Cells

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The absorption of nutrients is determined by...

• The cell's volume
• The cell's surface area
• The cell's ribosomes
• The cell's DNA

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The amount of nutrients needed is determined by...

• The cell's volume
• The cell's surface area
• The cell's Rough ER
• The cell's Smooth ER

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Which type of cell will make greater demands for DNA?

• small cell
• large cell

Select all that apply: All organisms need to be able to efficiently:

• Obtain oxygen & nutrients from environment

• Remove waste

• Maintain homeostasis (ex: body temperature)

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Select all that apply: Cells can’t be too big because . . .

• Need to take in nutrients and release waste

• Need to move materials quickly in/out

• Inefficient if cells are large

The larger the cell, the _______ it will take to transport materials, process nutrients, or release wastes.

• Longer

• Faster

Surface area of a cell refers to

• the area exposed to the external environment.

• the amount of space inside of the cell.

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