How are scientist able to compare dna from bones or teeth to that found in hairs on a hairbrush?

Which best explains how this maneuver unblock a person's airway?

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

Omg substrates with the same size and shape as the active site will bind to the enzyme. why is the key labeled the “bad” substrate?