Biology Keystone Exam Vocabulary Review: Unit 4

Movement of particles from an area of low concentration to an area of high concentration (or against the concentration gradient) across the cell membrane that uses energy provided by ATP .

• Diffusion

• Active Transport

• Passive Transport

• Chemosynthesis

Embedded in the plasma membrane involved in the movement of ions, small molecules, and macromolecules into and out of cells.

• Carrier (transport) Proteins

• Endocytosis

• Endoplasmic Reticulum

• Vesicles

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What is the basic structural and functional unit of all living things? 

• atom
• cell
• molecule
• human

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An organism made of one cell is called

• unicellular organism
• multicellular organism

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What is one way in which all living things on Earth are alike?

• All living things have hair.
• All living things are made of cells and come from other cells.
• The cells of all living things have chloroplast.
• All living things can move. 

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There are some similarities between prokaryotic and eukaryotic cells. Which of the following structures is found in both prokaryotic and eukaryotic cells?

• lysosome
• mitochondrion
• nucleus
• ribosome

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A specific type of cell is being studied by a scientist. She notices the cell contains a nucleus, a cell membrane and cell wall. What is the correct classification of this cell?

• A prokaryotic animal cell

• A prokaryotic plant cell

• A eukaryotic animal cell

• A eukaryotic plant cell

Has membrane bound organelles

• Prokaryote
• Eukaryote
• both

Measure of the amount of a given substance when combined with another substance.

• Mass

• Viscosity

• Concentration

• Density

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The graduated difference in concentration of a solute per unit distance through a solution.

• transport

• denisty

• diffusion

• concentration gradient