What type of membrane junction would you expect to be most plentiful in the bladder? why?

The correct answer is tight junctions.  

Tight junctions comprise weblike strands of transmembrane proteins, which combines with the outer surfaces of adjoining plasma membranes together to lock the passageways between the adjacent cells.  

The cells of epithelial tissues, which lines the urinary bladder comprise many tight junctions to reduce the passage of components amid the cells and inhibit the constituents of these organs from seeping into the surrounding tissues and blood.  

•there must be variation for the particular trait within a population.

•the variation must be inheritable (that is, it must be capable of being passed on from the parents to their offspring).

•individuals with one version of the trait must produce more offspring than those with a different version of the trait.good

explanation:

i believe the answer would be b. hope it : )