QUESTION IMAGE
Question
homework: define the following vocabulary words for the quiz next week. study each day.
- homeostasis
- aquaporin
- isotonic
- hypotonic
- hypertonic
- facilitated diffusion
- diffusion
- osmotic pressure
- active transport
- passive transport
- cell membrane
- selectively permeable
To solve this, we'll define each vocabulary term (related to Biology, specifically cell biology and transport processes):
1. Homeostasis
The ability of an organism or cell to maintain a stable internal environment despite external changes.
2. Aquaporin
A type of channel protein in cell membranes that facilitates the rapid diffusion of water across the membrane.
3. Isotonic
A solution with the same solute concentration as the cell’s cytoplasm; no net water movement occurs across the cell membrane.
4. Hypotonic
A solution with a lower solute concentration than the cell’s cytoplasm; water enters the cell (can cause cell lysis in animal cells).
5. Hypertonic
A solution with a higher solute concentration than the cell’s cytoplasm; water leaves the cell (can cause cell shrinkage).
6. Facilitated Diffusion
Passive transport of molecules (e.g., ions, large polar molecules) across a membrane via specific transport proteins, down their concentration gradient (no energy required).
7. Diffusion
The passive movement of particles (atoms, molecules, ions) from an area of higher concentration to lower concentration, driven by random thermal motion.
8. Osmotic Pressure
The pressure required to prevent the net flow of water across a semipermeable membrane in an osmotic system (related to solute concentration differences).
9. Active Transport
The movement of molecules across a membrane against their concentration gradient, requiring energy (usually ATP) and transport proteins.
10. Passive Transport
The movement of molecules across a membrane without energy input, driven by concentration gradients (e.g., diffusion, osmosis, facilitated diffusion).
11. Cell Membrane
A semipermeable lipid bilayer (with embedded proteins) that encloses the cell, regulating the entry/exit of substances.
12. Selectively Permeable
A property of membranes (like the cell membrane) that allows some substances to pass through while restricting others, based on size, charge, or solubility.
These definitions align with concepts in Biology (subfield: Cell Biology/Physiology), focusing on cellular transport and membrane function.
Snap & solve any problem in the app
Get step-by-step solutions on Sovi AI
Photo-based solutions with guided steps
Explore more problems and detailed explanations
To solve this, we'll define each vocabulary term (related to Biology, specifically cell biology and transport processes):
1. Homeostasis
The ability of an organism or cell to maintain a stable internal environment despite external changes.
2. Aquaporin
A type of channel protein in cell membranes that facilitates the rapid diffusion of water across the membrane.
3. Isotonic
A solution with the same solute concentration as the cell’s cytoplasm; no net water movement occurs across the cell membrane.
4. Hypotonic
A solution with a lower solute concentration than the cell’s cytoplasm; water enters the cell (can cause cell lysis in animal cells).
5. Hypertonic
A solution with a higher solute concentration than the cell’s cytoplasm; water leaves the cell (can cause cell shrinkage).
6. Facilitated Diffusion
Passive transport of molecules (e.g., ions, large polar molecules) across a membrane via specific transport proteins, down their concentration gradient (no energy required).
7. Diffusion
The passive movement of particles (atoms, molecules, ions) from an area of higher concentration to lower concentration, driven by random thermal motion.
8. Osmotic Pressure
The pressure required to prevent the net flow of water across a semipermeable membrane in an osmotic system (related to solute concentration differences).
9. Active Transport
The movement of molecules across a membrane against their concentration gradient, requiring energy (usually ATP) and transport proteins.
10. Passive Transport
The movement of molecules across a membrane without energy input, driven by concentration gradients (e.g., diffusion, osmosis, facilitated diffusion).
11. Cell Membrane
A semipermeable lipid bilayer (with embedded proteins) that encloses the cell, regulating the entry/exit of substances.
12. Selectively Permeable
A property of membranes (like the cell membrane) that allows some substances to pass through while restricting others, based on size, charge, or solubility.
These definitions align with concepts in Biology (subfield: Cell Biology/Physiology), focusing on cellular transport and membrane function.