Identification of Unknown Bacteria Exam #1 Questions with
Correct Answers
Based on what you about the Kupperfangs illness, what is most likely the cause? -
✔✔Infectious disease
Which stains are used to visualize structures in the bacterial cell wall? - ✔✔Acid-
fast and Gram
What color do endospores and bacteria stain in an endospores stain? -
✔✔Endospores green, bacteria pink
What is the morphology of your bacteria? - ✔✔Gram- negative bacillus
About which of these do you NOT learn anything from the Gram stain? - ✔✔The
ability of the bacteria to process nutrients
Which type of medium supports the growth of the widest range of bacteria? -
✔✔Nutritive
Why is it important to have individual colonies? - ✔✔All of the statements are
correct
MacConkey Agar is selective for Gram- negative bacteria and differential for
lactose- fermenting bacteria. Which type of differential medium will give you the
most information? - ✔✔Blood agar
Correct Answers
Based on what you about the Kupperfangs illness, what is most likely the cause? -
✔✔Infectious disease
Which stains are used to visualize structures in the bacterial cell wall? - ✔✔Acid-
fast and Gram
What color do endospores and bacteria stain in an endospores stain? -
✔✔Endospores green, bacteria pink
What is the morphology of your bacteria? - ✔✔Gram- negative bacillus
About which of these do you NOT learn anything from the Gram stain? - ✔✔The
ability of the bacteria to process nutrients
Which type of medium supports the growth of the widest range of bacteria? -
✔✔Nutritive
Why is it important to have individual colonies? - ✔✔All of the statements are
correct
MacConkey Agar is selective for Gram- negative bacteria and differential for
lactose- fermenting bacteria. Which type of differential medium will give you the
most information? - ✔✔Blood agar
