Question

21 multiple choice 10 points what are pathogens? agents that alter dna base sequences phagocytic leukocytes disease - causing agents a type of antibody

Explanation:

Pathogens are defined as agents that cause diseases. Agents altering DNA base - sequences are mutagens. Phagocytic leukocytes are white blood cells that engulf pathogens. Antibodies are proteins produced by the immune system to fight pathogens.

Answer:

C. Disease - causing agents