The carbohydrate present in the seminal plasma that nourishes the sperm in the female genital tract is

Options

A. glucose
B. fructose
C. galactose
D. lactose

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks for the carbohydrate present in seminal plasma that nourishes sperm in the female genital tract.

2. **Identifying the Options**: The potential carbohydrates mentioned are Glucose, Fructose, Galactose, and Lactose.

3. **Analyzing Glucose**:
- Glucose is present in very small amounts in human semen (0.41 mMol per liter).
- It is believed that higher concentrations of glucose can negatively affect sperm motility, meaning it is not the primary carbohydrate that nourishes sperm.

4. **Analyzing Fructose**:
- Fructose is found in the seminal vesicles and is a significant component of seminal plasma.
- It provides energy to sperm, enhancing their motility and ability to travel through the female genital tract.

5. **Analyzing Galactose and Lactose**:
- Both Galactose and Lactose are associated with increased toxicity to sperm, which can negatively impact sperm motility and viability.

6. **Conclusion**: Based on the analysis, Fructose is the carbohydrate that nourishes sperm in the female genital tract, as it enhances their movement and provides energy.

**Final Answer**: The carbohydrate present in the seminal plasma that nourishes the sperm in the female genital tract is **Fructose**.

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