Connect lab 10 grain stain

After correct Gram staining, the gram-negative cells will appear ____________, whereas the gram-positive cells appear _____________ . red; purple Green; unstained Unstained; green Dark blue; light blue purple; red

red; purple

You are gram staining a known sample that contains both gram-positive and gram-negative bacteria, after you complete the staining you realize that you did not perform the safranin step. Which of the following statements would correctly describe what you would see? Gram-negative organisms might not be visible Gram-positive organisms might incorrectly stain red You would not be able to view any organisms on the slide Gram-negative organisms might incorrectly stain purple

Gram-negative organisms might not be visible

You are Gram staining a known sample that contains both gram-positive and gram-negative bacteria. After you complete the staining, you realize that you performed the decolorizer step for 10 minutes instead of 10 seconds! Which of the following statements would correctly describe what you would see? Gram-positive organisms might incorrectly stain red You would not be able to view any organisms on the slide Gram-negative organisms might incorrectly stain purple All organisms would

Gram-positive organisms might incorrectly stain red

You are gram staining a known sample that contains both gram-positive and gram-negative bacteria. After you complete the staining. You observe the following. Which of the following statements would apply to the image you see? This image could be explained by leaving safranin dye on the smear for too long, causing all cells to wash out the purple color. This image could be explained by leaving the primary stain step on the smear for too long. Causing all cells to absorb the red color This image could be explained by omission of the gram's idoine step, causing all cells to appear gram-negative. This image could be explained by omission of the decolorizing step, leading all cells to appear gram-negative

This image could be explained by omission of the gram's iodine step, causing all cells to appear gram-negative.

Based on what you understood from the video, which of the following statements are correct?

This image shows a cell morphology of cocci This image shows a cell arrangement of streptococci This image likely depicts a gram-stained bacterial smear

Your Gram stain is complete and correct. Which of the following statements would apply to the image you see? You can observe gram-negative bacilli on this field You cannot distinguish any bacteria on this field You can observe gram-neutral bacteria on this field You can observe gram-positive cocci on this field

You can observe gram-negative bacilli on this field You can observe gram-positive cocci on this field

You are Gram staining a known sample that contains both gram-positive and gram-negative bacteria. After you complete the staining. You realize that you did not use the alcohol bottle at all. Which cells would appear purple? no cells would show purple color gram-negative cells gram positive cells

gram-negative cells gram positive cells