Which type of cnidarian does not have a nervous system?
a.
corals
c.
jellyfish
b.
sponges
d.
anemones

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