Cells and Cell Transport Review

A multi-celled organism is composed of

• many cells with specialized functions that work together to maintain homeostasis.

• a single cell that is responsible for multiple functions within the organism.

• many cells with identical functions that work independently within the organism.

• a single cell that is grouped with other single cells to maintain homeostasis.

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This is the mechanism by which very large molecules (such as food and wastes) get into the cell.

• exocytosis

• endocytosis

• protein pump

This is the mechanism by which very large molecules (such as food and wastes) get out of the cell.

• endocytosis

• exocytosis

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When a particle moves from a low concentration to a high concentration and requires ATP.

• passive transport

• active transport

• osmosis

What role does cytoplasm play in helping cells maintain homeostasis?

• Cytoplasm provides the energy needed to power all of the organelles within a cell.

• Cytoplasm allows organelles, nutrients, and other materials to move throughout the cell.

• Cytoplasm protects a cell's organelles from waste by helping it move through the cell membrane.

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What term describes a solution that has the same solute concentration inside of and outside of the cell?

• Hypertonic

• Hypotonic

• Isotonic

The cell shrunk in size, which means it was placed in a ____ solution.

• Isotonic

• Hypertonic

• Hypotonic

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Active transport requires energy because...

• The cell is moving something against a concentration gradient

• The cell is moving something with a concentration gradient

What part of the cell regulates what can enter and leave the cell?  

• Cell Membrane

• Nucleus

• Mitochondria

• Cytoplasm

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The picture below is an example of _________________ .

• osmosis

• isotonic

• diffusion

• active transport