movement into and out of cells Flashcards
1
Q
particles
A
the smallest pieces of which a substance is made particles can be molecules atoms and ions
2
Q
kinetic energy
A
energy of moving objects
3
Q
diffusion
A
the net of particles from a region of their higher concentration to a region of lower concentration
4
Q
net movement
A
overall or average movement
5
Q
concentration gradient
A
an imagery ‘slope’ from a high concentration to a low concentration
6
Q
compound
A
a substance formed by a chemical combination of two or more elements fixed in proportions
7
Q
A
