Final Answer:
To properly sequence the images for the Gram stain procedure: 3, 1, 2, 4.
Step-by-step explanation:
The Gram stain procedure involves several steps. Initially, Image 3 typically represents the bacterial smear on a slide. Image 1 showcases the application of crystal violet, the primary stain, which colors all cells purple. Then, Image 2 displays the application of iodine, serving as a mordant to fix the crystal violet in Gram-positive bacteria.
Image 4 illustrates the final step, the decolorization process using alcohol or acetone, wherein Gram-positive bacteria retain the purple color (as shown in Image 4) while Gram-negative bacteria are decolorized. This sequence—smear preparation, application of primary stain, addition of mordant, and decolorization—provides a stepwise understanding of the Gram stain procedure.
Here is complete question;
"Arrange the provided images in the appropriate sequence to evaluate your comprehension of the gram stain procedure."