Question

Melissa is studying a Gram-stained slide of curd bacteria. She see's many rod-shaped, violet-colored bacteria.
What type of bacteria are they?

A)Spirochetes
B)Lactobacilli
C)Staphylococci

Answer 1

Lactobacilli. Bacillus bacteria are rod-shaped :)

Answer 2

Also to confirm that, the violet color from the gram stain means it stained gram-positive. And if you look up lactobacilli, they are gram-positive bacteria