One Technique for Staining Bacteria for Viewing Under the Microscope

question 33

Multiple Choice

One technique for staining bacteria for viewing under the microscope is called the Gram stain.In this technique, alcohol is used as a decolorizer because it degrades the outer membrane found in some bacteria.What chemical component of the cell does alcohol affect?

• A)Protein
• B)Lipid
• C)Nucleic acids
• D)Carbohydrate

---

Definitions:

Cell Expansion

The process by which a cell increases in size, often involving the intake of water and growth of the cell wall and membrane.

Pattern Formation

The biological process by which cells in a developing organism acquire different identities, leading to the formation of specific tissues, organs, and overall body plan.

Differential Gene Expression

The process where genes are turned on or off in different cell types, leading to differences in structure and function among cells.

Morphogenesis

The process by which an organism develops its shape and structure.