Answer:
This is my answers, Hope it helps ☺️
Answer:
antibodies are produced in response to infection and that these antibodies are designed to specifically target particular antigens and bind tightly to them.
The correct answer is letter A, Feces. A doctor must order a fecalysis, a procedure that checks the compounds that are found within the stool. This way the doctor would know if something is wrong with the patient's intestines and other digestive organs.
X is mathematically an unknown.
4 the organism would not produce new cell idk if im right
