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Vocab
Voab
| Question | Answer |
|---|---|
| a process by which molecules of a solvent tend to pass through a semipermeable membrane from a less concentrated solution into a more concentrated one, thus equalizing the concentrations on each side of the membrane. | Osmosis |
| Diffusion is net movement of anything from a region of higher concentration to a region of lower concentration. Diffusion is driven by a gradient in concentration. | Diffusion |
| Facilitated diffusion is a form of facilitated transport involving the passive movement of molecules along their concentration gradient, guided by the presence of another molecule – usually an integral membrane protein forming a pore or channel. | Facilitated Diffusion |
| A hypotonic solution is any solution that has a lower osmotic pressure than another solution. In the biological fields, this generally refers to a solution that has less solute and more water than another solution | Hypotonic Solution |
| A hypertonic solution is a particular type of solution that has a greater concentration of solutes on the outside of a cell when compared with the inside of a cell. | Hypertonic Solution |
| An isotonic solution refers to two solutions having the same osmotic pressure across a semipermeable membrane. This state allows for the free movement of water across the membrane without changing the concentration of solutes on either side. | Isotonic Solution |
| The Adenosine triphosphate (ATP) molecule is the nucleotide known in biochemistry as the "molecular currency" of intracellular energy transfer; that is, ATP is able to store and transport chemical energy within cells. | ATP |
| Receptor activity-modifying proteins (RAMPs) are a class of protein that interact with and modulate the activities of several Class B G protein-coupled receptors. | Protein Ramp |
| Aquaporins (AQP) are integral membrane proteins that serve as channels in the transfer of water, and in some cases, small solutes across the membrane. They are conserved in bacteria, plants, and animals. | Aquaporin |
| the movement of ions or molecules across a cell membrane into a region of higher concentration, assisted by enzymes and requiring energy. | Active Transport |
| Passive transport is a movement of ions and other atomic or molecular substances across cell membranes without need of energy input. | Passive Transport |
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