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Use the diagrams to answer the question.
The diagrams show how carrier molecules allow passive and active transport. In the diagram of active transport, the letter X represents another molecule. This molecule provides energy for active transport but is not needed for passive transport.
Which molecule is most likely represented by the letter X ?
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?
Placing a cell containing 10% salt into a solution containing 15% salt will cause the cell to
How does the cell membrane help the cell maintain homeostasis?
Placing a cell containing 10% salt into a solution containing 7% salt will cause the cell to
Salmonberry plant roots absorb minerals. What cellular process moves minerals across root cell membranes from an area of low mineral concentration to an are of high mineral concentration?
This picture represents which type of cellular transport? (endocytosis, exocytosis)
The cell below is in a _________ solution. (hypertonic, hypotonic, isotonic)
As illustrated below, the molecules of many membranes are arranged with their polar heads to the outside and their nonpolar tails to the inside
With this arrangement, where would you MOST likely find water molecules?
The cell below is in a _____________ solution. (hypertonic, hypotonic, isotonic)