Flashcards in Chapter 5 -2 Deck (15):
What is exoctyosis in membrane trafficking?
exocytic vesicles fuse with PM
What is endocytosis in membrane trafficking?
endocytic vesicule forms as PM folds inward
What are the 3 types of endocytosis?
Phagocytosis- cellular eating
Pinocytosis - cellular drinking
Receptor mediated endocytosis - highly specific
What is an example of receptor meditated endocytosis?
What is hyperchloresterolemia?
receptor mediated endocytosis
genetic disorder where membranes lack
overload the blood with cholesterol
What controls metabolism?
What is metabolism?
sum of all chemical reactions within an organism
What are the 2 different types of metabolic pathways?
Anabolism - build molecules
Catabolism - breakdown molecules
What is kinetic energy?
energy in motion
What is potential energy?
What is chemical energy?
potential energy stored in molecules
What is thermal energy?
heat (random energy)
What does the first law of thermodynamics state?
energy can not be created/destroyed only transferred/transformed
What does the 2nd law of thermodynamics state
Natural tendency toward disorder
energy conversions are 100% efficient