Which is the best description of activation energy? a. heat added to start a reaction
b. heat released as the reaction proceeds
c. heat stored within the reactant molecules
d. heat stored within the product molecules

Describe at least 2 abiotic and two biotic factors found in the desert biome how do these abiotic factors interact with the biotic factors

Do you think the gene eef1 alpha1 supports cell theory? explain your response.

Plz fast biotechnology is a growing field of applied biology. many crops such as corn have been engineered to be resistant to herbicides. therefore farmers can spray these chemicals to kill weeds growing near the crop without worries of killing the crop itself how does this type of biotechnology work? a. by changing the genetic make up of the crops. b. by causing the crops to kill the weeds. c. by changing the type of crops used. d. by changing the location of the crops.