.Although diffusion occurs naturally without action from a cell, diffusion benefits cels. How do cells benefit from diffusion?
O
Cells increase concentration of certain molecules
O
Cells achieve balance with their environment
O
Cells decrease concentration of certain molecules
O
All of the above are correct

(amoeba sisters video recap: pedigrees and need

Which part of the neuron below is indicated by the arrow, and what is its function? hormones send chemical signals throughout the body to regulate other body processes. hormones are chemical signals that are sent throughout the body to regulate other body processes. hormones send electrical signals throughout the body to regulate other body processes. hormones are electrical signals that are sent throughout the body to regulate other body processes.

The current thought on the structure of the cell membrane is: a. a static phosphate sandwich of lipids b. a fluid-mosaic of phospholipids and proteins c. a bilayer of proteins with static lipid molecules d. an impermeable bilayer of protein molecules e. a static and permeable phospholipid single layer