LAB stands for

Options

A. Lactic acid bacteria
B. Lactobacillus acidophilus bacteria
C. Lactose acetaldhyde bacteria
D. Laboratory

Answer

**Step-by-Step Solution:**

1. **Identify the acronym LAB**: The question asks what LAB stands for. LAB is an acronym that is commonly used in microbiology.

2. **Define LAB**: LAB stands for "Lactic Acid Bacteria." These are a group of bacteria that produce lactic acid as a byproduct of carbohydrate fermentation.

3. **Characteristics of Lactic Acid Bacteria**:
- They are **gram-positive** bacteria, meaning they have a thick cell wall that retains the crystal violet stain used in the Gram staining procedure.
- They are **acid-tolerant**, which means they can survive and thrive in acidic environments, such as those found in fermented foods.

4. **Common Sources**: Lactic Acid Bacteria are primarily found in **milk and milk products**. They play a crucial role in the fermentation process, contributing to the production of yogurt, cheese, and other dairy products.

5. **Conclusion**: The correct answer to the question "LAB stands for" is "Lactic Acid Bacteria."

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