Both students also included a tube containing 10 cm° of starch solution with 5 cm? of distilled water instead of 5 cm? of amylase solution.
They tested the solution for starch and for glucose every 30 seconds
Give one reason why this tube was included in their investigations.

Select the correct answer. which mutation is harmful to the organism? a. a mutation allowing moths to camouflage better on blackened tree bark b. a mutation making staphylococcus aureus resistant to the antibiotic methicillin c. a mutation inhibiting human immunodeficiency virus from attaching to and entering the cell d. a mutation causing uncontrolled cell division e. a mutation giving plant leaves a bitter taste to discourage herbivores from eating them