An individual has a number of different types of cells was first stated by

Options

A. Dujardin
B. Robert Brown
C. Dutrochet
D. Schleiden and Sohwann

Answer

To solve the question "An individual has a number of different types of cells was first stated by," we need to identify the correct scientist from the given options. Here’s the step-by-step solution:

### Step 1: Understand the Question
The question asks about the scientist who first stated that an individual organism is composed of different types of cells.

### Step 2: Analyze the Options
The options provided are:
- A. Dujardin
- B. Robert Brown
- C. Dutrochet
- D. Sklirin

### Step 3: Recall Relevant Information
From the video transcript, we learn about several scientists and their contributions:
- Leeuwenhoek was the first to observe free-living cells.
- Lamarck concluded that all living beings are formed of cells in 1809.
- Cote observed living substance (protoplasm) in 1772.
- Dujardin named protoplasm.
- Robert Brown discovered the nucleus.
- Dutrochet stated that all individuals (living organisms) are made up of different types of cells.

### Step 4: Identify the Correct Answer
Based on the information provided, it is clear that Dutrochet is the scientist who stated that individuals consist of different types of cells. Therefore, the correct answer is **C. Dutrochet**.

### Final Answer
The answer to the question is **C. Dutrochet**.

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