The resistance of cancer cells to egf-r inhibition sometimes occurs as a result of?
a) application of met
b) down regulation of igf-1r
c) inhibition of das signaling
d) amplication of gli2
e) all of the above

Sampling lake water for microscopic organisms is not as easy as it sounds when you want to both count and identify species. in a given water sample, your bacteria of choice can be rare or difficult to culture, particularly given the mixture of bacteria in a biofilm. which of the following culture media would be best for growing fecal coliforms when they are relatively less abundant than other bacteria in the lake? anaerobic culture medium enrichment culture medium complex culture medium basic culture medium

How do living things obtain phosphorus

What are examples of the plant life and animal life that can be found in each type of terrarium