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

Compare and contrast nutrient limitation in soil vs. nutrient limitation in aquatic ecosystems

Type the correct answer in each box. use numerals instead of words. if necessary, use / for the fraction bar. the following chemical equation shows the combustion of ethane. balance the equation by filling in the coefficients. c2h6 + o2 → co2 + h2o

What kind of crystalline solid is graphite? o a. molecular solid b. metallic solid o c. network solid d. ionic solid