Movement of substances into and out of cells Flashcards
1
Q
what is the definition of diffusion?
A
is the movement of a gas or substance in solution from a region of high concentration to a region of low concentration
2
Q
what is a concentration gradient?
A
the difference in the amount of a substance between two areas
3
Q
what is the definition of osmosis?
A
is the net movement of water from a region of high water potential to a region of low water potential across a partially permeable membrane
4
Q
what is the definition of active transport?
A
is the movement of molecules across a cell membrane using energy from respiration against a concentration gradient
5
Q
what is the word equation for photosynthesis?
A
carbon dioxide + water -> glucose + oxygen
6
Q
what is the symbol equation for photosynthesis?
A
6CO2 + 6H20 -> C6H1206 + 602
