Membranes Flashcards
What kinds of things can just pass through a membrane?
Quite small
Uncharged and mostly nonpolar
In a hypotonic solution, an animal cell becomes _______ and a plant cell is _______.
Lysed
Turgid (normal)
In an isotonic solution, an animal cell is _______, and a plant cell is _______.
Normal
Flaccid
In a hypertonic solution, an animal cell is _______, and a plant cell is ________.
Crenellated
Plasmolyzed
What kinds of transport require energy?
Active transport
What kinds of transport require a membrane protein?
Facilitated diffusion
Active transport
In facilitated diffusion, entropy……
Increases
In active transport, entropy _____ and energy is _________.
Increases
Required
In an endergonic reaction, delta G is ____ and the reaction is ______.
Positive
Not spontaneous
In an exergonic reaction, delta G is ______ and the reaction is ______.
Negative
Spontaneous
What are the 2 laws of thermodynamics?
1- Energy can neither be created or destroyed
2- The entropy of the universe is increasing
What is the formula for Gibb’s free energy?
ΔG = ΔH - TΔS
If entropy decreases, what happens to energy?
It’s stored
