Question

fill in the blank question india ink and nigrosin are both \boxed{} stains which stain the background and not the cell. need help? review these concept resources. read about the concept

Explanation:

Negative stains like India ink and nigrosin work by coloring the surrounding background, leaving the target cells unstained, which is a key technique in microbiology to visualize cells that are hard to stain with traditional positive stains.

Answer:

negative