Gram Staining Activity Flashcard

Gram Staining Activity Flashcard

Assessment

Flashcard

Science

7th - 12th Grade

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is Gram Staining?

Back

A laboratory technique used to differentiate bacterial species into two groups based on the characteristics of their cell walls.

2.

FLASHCARD QUESTION

Front

What are the two main types of bacteria identified by Gram Staining?

Back

Gram-positive and Gram-negative.

3.

FLASHCARD QUESTION

Front

What color do Gram-positive bacteria stain?

Back

Purple.

4.

FLASHCARD QUESTION

Front

What color do Gram-negative bacteria stain?

Back

Pink.

5.

FLASHCARD QUESTION

Front

What is the purpose of the primary stain in Gram Staining?

Back

To initially stain all the cells, allowing for differentiation later.

6.

FLASHCARD QUESTION

Front

What role does iodine play in Gram Staining?

Back

Iodine acts as a mordant, helping the primary stain adhere to the bacterial cell wall.

7.

FLASHCARD QUESTION

Front

What is the purpose of the decolorization step in Gram Staining?

Back

To wash out the primary stain from Gram-negative bacteria, allowing for differentiation.

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