The best procedure to differentiate listeria monocytogenes from corynebacterium species is

a. catalase

b. coagulase

c. motility

d. gram stain

Which represents a negative impact of technology

Look at the photo of the leaf. which term best describes this leaf?

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