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A sodium-potassium pump within a cell membrane requires energy to move sodium and potassium ions into or out of a cell. The movement of glucose into or out of a cell does not require energy. Which statement best describes the movement of these materials across a cell membrane?
Cells use passive and active transport in order to move materials across cell membranes in order to maintain a constant internal environment. What is the process of maintaining a constant internal environment called? (internal balance)
An osmosis investigation was conducted using chicken eggs to represent cells with semipermeable membranes. The mass of each egg was measured to determine how much water diffused into or out of the eggs. The eggs were first soaked in vinegar to dissolve the shell. Each egg was then placed in one of three different solutions for 24 hours. The table below shows the results of the investigation.
Based on this experiment, which of the following should be inferred about cells with semipermeable membranes?
Select ALL of the following that are not the primary difference between diffusion and osmosis. (3 choices)
Plant roots absorb minerals. What type of transport moves minerals from an area of low mineral concentration to an area of high mineral concentration?
Select ALL of the following examples that do not illustrate osmosis? (3 choices)
Pinocytosis is a term known as “cell drinking” The cell membrane forms a vesicle around small particles and brings them into the cell. This is also a form of
Which of the statements from the table above are true for facilitated transport?
Match the type of transport next to it’s correct letter.
What is the difference between the two types of passive transport?
Match the following examples with the correct term.
1st diagram 2nd diagram 3rd diagram
Match the diagrams of cells above from left to right with their correct type of transport.
The following process involves vesicles and the cell membrane working together to push materials outside of the cell. (endocytosis, exocytosis, protein pump)
The following process involves the cell membrane and vesicles working together to bring materials into the cell.
The following process is (endocytosis, exocytosis, protein pump)
Match the following terms with their correct description.
What means of particle transport requires energy?
What is the diffusion of water through a selectively permeable membrane?
What is the movement of particles from high to low concentration?
What is the diffusion of particles from high to low concentration through the use of transport proteins?
This picture represents which type of cellular transport? (endocytosis, exocytosis)
The concentration of water is higher in the soil than in plant root cells. Water moves into root cells of a plant by…
Active transport requires through the use of . Passive transport does not require .