While testing amylase activity, john uses a buffer of ph 6 and substrate starch. he incubates them at 104ºf (40ºc). all the tubes show glucose formation, except one, which had no starch solution. why did this happen?

Explain nonnuclear inheritance. ~ ap biology

Which of the following is an example of competition that could be found in a forest? question 14 options: deer eat berries and their droppings seed new areas creating more berry bushes two fox populations utilize the same rabbit population as their main food source two hawk populations utilize the same scorpion population as their main food source lack of sunlight due to changes in the seasons restricts the growth of certain plants

'which of these statements about the scientific method is not true? all experiments must follow the same number of steps in the procedure. experiments may be repeated several times. some unexpected results can be beneficial. experimental results may or may not support the hypothesis.