**Core Concept**
Bronze diabetes, also known as hemochromatosis, is a genetic disorder characterized by excessive iron accumulation in the body. This leads to tissue damage and organ dysfunction due to iron overload.

**Why the Correct Answer is Right**
The correct answer is iron, which is deposited in various tissues, including the pancreas, liver, and heart, causing damage and leading to symptoms such as diabetes, skin pigmentation changes (bronze skin), and other systemic complications. The genetic disorder hemochromatosis leads to increased absorption of dietary iron, resulting in elevated serum iron levels and subsequent tissue deposition.

**Why Each Wrong Option is Incorrect**
**Option A:** This option is incorrect because it is not related to the pathophysiology of Bronze diabetes.
**Option B:** This option is incorrect because it is not directly associated with the condition.
**Option C:** This option is incorrect because it is not the primary substance deposited in Bronze diabetes.

**Clinical Pearl / High-Yield Fact**
It is essential to remember that Bronze diabetes is a classic example of a genetic disorder leading to secondary diabetes, and early diagnosis and treatment can prevent long-term complications.

**Correct Answer:** C. Iron