Cell Homeostasis Answers

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 movement of particles would be most affected by a disorder that causes damage to carrier proteins?

Water makes up a large percentage of the body’s cells. For a cell to remain in homeostasis, there must be a mechanism to control water changes in the cells. The movement of water from an area of high water concentration to an area of low water concentration is

Which statement describes the ability of the cell membrane to allow various substance to move through it?

For diffusion to occur, which condition must be met?

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

Which homeostatic process moves particles against a concentration gradient?

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

What would most likely happen to a unicellular organism if it was exposed to a hypotonic solution for an extended period of time?

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?