While testing amylase activity, john uses a buffer of ph 6 and substrate starch. he incubates them at 104 degrees fahrenheit. all the tubes show glucose formation, except one, which had no starch solution. why did this happen?

Pls need ! in your opinion, what are the limiting factors that might affect the growth or diversity of our ecosystem? respond to this question in claim, evidence, reasoning format. 1. make your claim (i are the limiting factors that might affect the growth or diversity of our 2. follow the claim with 3 pieces of evidence. evidence may be taken from the reading, the videos, previous lessons, or googled answers. site sources, too. 3. use reasoning to explain why you chose your evidence.