Examlex
Why are barnacles considered crustaceans when they are anchored in one place as adults?
Resting Membrane Potential
The voltage difference across the membrane of a cell at rest, maintained by ion gradients and crucial for the transmission of nerve impulses.
Cytosol
The fluid component of the cytoplasm in which the organelles are suspended.
Multiple Sclerosis
A chronic autoimmune condition where the immune system attacks the protective covering of nerves in the central nervous system.
Myelin
A fatty substance that surrounds nerves, providing insulation and helping to speed neural transmission.
Q3: Ctenophores capture food by<br>A)nematocysts.<br>B)collenchyme.<br>C)colloblasts.<br>D)comb plates.<br>E)statocysts.
Q8: The "bailer" of a crayfish that draws
Q18: Groups of segments fused or combined into
Q24: Reproduction in at least some sponges is<br>A)asexual
Q24: The tall secretory cells around the pedal
Q29: Discuss the two distinct views of reptile-bird-mammal
Q36: A hydra moves by<br>A)nematocysts.<br>B)expelling water from the
Q37: The _,a group of small feathers on
Q40: Tube feet run along the _ groove
Q52: Two poisonous spiders in the United States