Each cell must maintain homeostasis in ____ organisms.
multicellular
This means of particle transport requires ENERGY from the cell...
active transport
A ____ environment can lead to cytolysis (cell bursting).
hypotonic
A hypertonic environment will eventually lead to ____ or ____ when the cell shrinks.
plasmolysis; crenation
What can enter the cell actively through pinocytosis?
fluids/liquids
The diffusion of water across a semipermeable membrane...
osmosis
____ is the relatively constant internal physical conditions of an organism.
homeostasis
What regulates the movement of materials into and out of the cell?
cell membrane
Your fingers shrivel up when you swim in the ocean because you are in a ____ environment.
hypertonic
Small molecules can pass from one side of the membrane to the other by going between the ____ molecules.
phospholipid
____ occurs because molecules constantly move and collide with one another.
diffusion
Large, solid ____ particles are brought into the cell actively by phagocytosis.
food
A(n) ____ environment leads to homeostasis.
isotonic
When the concentration of molecules on both sides of the membrane is the same during diffusion, do the molecules ever stop moving across the membrane?
NO
Large molecules sometimes enter the cell by way of an...
involution
Give an example of maintaining homeostasis.
ex) deer seeking salty foods to add to its diet; turtle sitting for hours on a sunny rock; jogger stops to drink water
