I agree with you. It'd be really hard to draw the line anywhere, so instead of punishing people for "bringing things upon themselves", I think it'd be better to make incentives for people to live healthier lives (people being able to write off on their taxes money used to pay for gym/health club...
B
A) autocrine signaling (a cell releases a signaling molecule and a receptor in the same cell binds to it)
B) paracrine signaling (nearby cells)
C) endocrine signaling (signaling between distant cells via the blood)
D) synaptic signaling (similar to paracrine signaling, but involves formation...
Gelatin isn't the ideal media to use since it does have a relatively low melting point (agar, for example, doesn't melt until it's heated to about 65C).
What temperature do you plan to set the gelatin at? As long as you don't put it in the freezer, the bacteria should remain viable. Bacteria...