You are part of a research group experimenting with signaling molecules that would tell cancer cells to stop dividing. The cancer cells have inactive receptors on their plasma membrane so you need an alternate method of getting the signals into the cells. What could you use? A. Plasmodesmata for direct contact.
B. Stimulate the pituitary gland to send the signal as a hormone.
C. Gap junctions for direct contact.
D. Through the synaptic cleft of a neuron.

Melissa lives in a town called greendale. she discovers that when she lights a match and holds it near her kitchen faucet, the little flame grows into a larger fire. melissa is surprised because she thought the water would extinguish the flame rather than ignite it further. her mother tells her that the water might be contaminated with dissolved methane, a primary component in natural gas. melissa investigates the matter and finds that cases of methane contamination started shortly after a company began fracking for natural gas in the area. based on this information, which three statements are plausible consequences of fracking in greendale?

How does buring fossil fuels impact does carbon cycle? what large impact does this have on the envirnment?

Acquired mutations can result from radiation pollution toxins inheritence select all that apply