How do signal molecules work in a cancerous cell?
a. cancer cells make their own signal molecules, are insensitive to them, or simply grow without them.
b. cancer cells can never interpret signal molecules correctly.
c. cancer cells interpret them backwards such that growth signals stop growth and growth inhibitors cause growth.
d. cancer cells use signal molecules just the way normal cells do.
e. they don't usually work at all.

(drag each tile to the correct identify which questions can be answered by what can be answered by science or which cannot. -is it right or wrong to use genetic engineering to produce new food products? -what are the most common social settings that tend to produce accomplished artists? -if a new gene is added to the genome of a tomato species, will that species be more resistant to insects? -should humans use biotechnology to bring extinct organisms from the fossil record back to life? -do the types of organisms found in the fossil record appear in consistent sequences in different parts of the world? -are michelangelo's paintings more impressive than rembrandt's?

Based on the topographic map of mt. st. helens, what is the contour interval of the volcano about height is 2,950 m?

Why does it matter if osmosis is put into a “scab” or a “nosebleed? ” where would that leave him?