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Active transport

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Wize University Biology Textbook > The Plasma Membrane

Active Transport

3 Activities

Active transport requires which of the following
More Active Transport Questions:
Which of the following graphs represents the transport of lactose by cells that use both facilitated diffusion and active transport for lactose? The inhibitor added is an ATP inhibitor.
Practice: Transport
How would each of the following molecules be transported into the cell? (aimple diffusion, facilitated diffusion, primary active transport, or secondary active transport).
1.
2.
Practice: ATP
What would happen to transport if cells could not produce ATP?
Practice: Membrane Transport 3
You are running an experiment in the lab to determine if your bacterial cells take up lactose using active transport, facilitated diffusion, or both. You add an ATP inhibitor to the culture and measure the ratio of lactose inside the cell vs. outside the cell over time. Based on the graph below, which type of transport is used by the cells?
Practice: Membrane Transport 1
By what method would you predict that these molecules would enter the cell?
a) Oxygen:
b) Potassium:
Which of the following is true regarding membrane transport?
Which of the following are accurate statements regarding membrane transport?
i. The entropy of the system decreases during active transport which is why it requires the use of ATP
ii. Passive diffusion functions because of an increase in entropy
Given the following graph, which best describes this type of transport?
Which of the following directly requires an input of energy?
Which of the following requires ATP?