DNA is ………. charged.

Options

A. positively
B. neutral
C. negatively
D. can't predict

Explanation

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks about the charge of DNA.

2. **Identifying the Charge**: DNA is known to be a negatively charged molecule.

3. **Reason for the Charge**: The negative charge of DNA arises from the presence of negatively charged oxygen atoms.

4. **Source of the Negative Charge**: The negatively charged oxygen atoms are part of the phosphate groups that make up the backbone of the DNA molecule.

5. **Conclusion**: Therefore, DNA is negatively charged due to the phosphate groups in its structure.

**Final Answer**: DNA is negatively charged.

---