Please Read the Clinical Scenario, and Then Answer the Question

Multiple Choice

Please read the clinical scenario, and then answer the question that follow to become familiar with the traditional NCLEX question format.
Mr. Nowak is a homeless patient who presented to your clinic today with an injury to his left arm. He injured it on an old piece of scrap metal. His wound is red, hot, and tender with purulent drainage. You swab the site and send it to the laboratory for microbial analysis.
-Although microscopic analysis revealed the presence of grapelike clusters of gram-positive cocci,you know that the species identification of the organism will require biochemical testing.Biochemical tests aid in microbial identification by providing information on

A) cell morphology.
B) asexual reproduction.
C) cellular metabolism.
D) DNA sequences.