You have two tubes (i and 2) that initially contain the same concentration of starch. however, you add one microgram (1ug) of amylase enzyme to tube 2 and then let both tubes sit for ten minutes. the resulting absorbance value for tube 1 is 0.74 and for tube 2 is 0.56. why do you see a difference between the two samples?

stimulus is a change in the environment that causes an organism to react. the response is the reaction to the stimulus. some examples of stimuli for zebras are drought, to many predators, and bad feeding grounds such as dead grass or plants. zebras respond to stimuli just like all other living organisms

the correct answer is anaphylaxis.

anaphylaxis is a condition caused by insect bites, foods, medications, manifested by tongue swelling, shortness of breath, vomiting, low blood pressure. it sometimes may occur without an obvious reason. it is treated with epinephrine injection.other tretments include antihistamines and steroids,