Cell Homeostasis Answers

In which kind of solution is the concentration of solutes the same inside and outside of the cell?

The data in the graph are the result of a paramecium being placed in a hypertonic salt solution.What change would most improve the usefulness of the graph?

Which homeostatic process moves particles against a concentration gradient?

Which best describes dynamic equilibrium?

For diffusion to occur, which condition must be met?

Which process is characterized by the movement of particles from an area of high concentration to an area of low concentration across the plasma membrane without the use of energy?

How does the contractile vacuole in a single-celled organism function to maintain homeostasis?

Which homeostatic process requires energy to move particles across the plasma membrane?

Which best describes the difference between osmosis and diffusion?

Which adaptation helps polar bears maintain a constant internal temperature (thermal homeostasis) in cold weather?

Reptiles and birds excrete waste as an insoluble white solid that is called uric acid. How does this help them to maintain internal homeostasis in hot climates?

Which motion of particles across a membrane requires energy?