Why does active transport require energy?
A sodium potassium pump is a type of...
This type of integral membrane protein moves two substances in the same direction
Chemical energy is required for active transport to establish a specific concentration gradient. In a sodium potassium-pump, chemical energy specifically serves to help the pump
Why does the process of gas exchange need to be efficient?
The process that takes place in the lungs which involves the movement of oxygen and carbon dioxide is known as _____.
Which of the following does NOT contribute to the efficiency of gas exchange?
Which of the following best describes how gas exchange occurs?
What are capillaries?
In the process of capillary fluid exchange, what controls diffusion?
What is the result of fluid exchange where the capillaries meet the vein?
As blood enters the capillary bed from the artery, what happens?
_____ uses diffusion to cause waste products to leave the blood.
Diffusion causes particles to move so that they have _____.
Which of the following would NOT be an example of diffusion?
The goal of diffusion is for the particles to reach _____.
What is the role of the alveoli in exchanging materials with the environment?
Why are gills red?
Why are thin leaves an adaptation of plants?
Why are root hairs needed for nutrient absorption in plants?
What type of transport uses membrane proteins to passively move solutes?
The inside of a cell contains more solutes than the outside of the cell. Which describes the inside of the cell and the direction of water?
Which type of integral membrane protein helps molecules move across the cell membrane by binding and releasing them?
Diffusion of small, non-polar molecules across the cell membrane along a concentration gradient is...
____ is the flow of water down its concentration gradient, across a semi-permeable membrane.
If you want to make cells burst, you should put them in a/an ____ solution.
Which of the following statements is true?
Osmosis is an example of ____, which is the tendency of molecules to distribute themselves evenly in a space.
Active transport involves
Why do we have millions of alveoli in each lung?
Understanding Cell Transportation Chapter Exam Instructions
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