Tag: homeostasis
Homeostasis & Transport Study Guide B1
Homeostasis & Transport Study Guide |
What effect does diffusion have on the concentration of substances on either side of a membrane? |
In which direction does diffusion take place? |
The dispersal of ink in a beaker of water is an example of what process? |
By what process do sugar molecules enter a cell? |
In which direction do channels using facilitated diffusion work? |
Does facilitated diffusion occur against or with a concentration gradient? |
Besides energy, what else is needed for facilitated diffusion to occur? |
What happens to the shape of carrier proteins in facilitated diffusion? |
Electrical or chemical signals may control the movement of _________ across cell membranes. |
Which of these processes requires energy to occur — chemiosmosis, active transport, or a sodium-potassium pump? |
Does diffusion require energy? |
A potassium ion would enter a cell by what process? |
What is osmosis? |
Sugar dissolving in water is an example of what process? |
Ridding a cell of waste by discharging it in sacs from the cell surface is known as ______. |
__________ is used to remove materials from a cell that are too large to pass through the cell membrane. |
Large molecules that can’t pass through the cell membrane enter a cell by a process called ________. |
What is turgor pressure? |
What is plasmolysis? |
Explain solute concentration and water movement for cells in hypotonic solutions solution. |
Explain solute concentration and water movement for cells in hypertonic solutions solution. |
If solute concentration is lower outside a cell than inside a cell, where is their the greatest concentration of water? Which direction will water move? |