$$\frac{1}{20}$$  

1/400

$$\frac{1}{8000}$$  

$$\frac{1}{160000}$$  

Tube 1/25

Final 1/50

Tube 1/50

Final 1/25

$$\frac{50}{100}$$  

$$\frac{1}{20}$$  

$$\frac{50}{150}$$  

$$\frac{1}{3}$$  

a.) The enzyme and the substrate reacted with the primary antibody and caused a color change.

b.) The enzyme and the substrate work worked together to destroy the antigen, resulting in a color change.

c.) The enzyme caused the substrate to change, resulting in a color change.

d.) The substrate caused the enzyme to change, resulting in a color change.

a.) Primary antibody, antigen sample, enzyme-linked secondary antibody, substrate

b.) Antigen sample, primary antibody, enzyme-linked secondary antibody, substrate

c.) Substrate, enzyme-linked secondary antibody, antigen samples

d.) Primary antibody, enzyme-linked secondary antibody, antigen samples, substrate

a.) antibodies, pathogens, antigens

b.) antigens, antibodies, pathogens

c.) pathogens, antibodies, antigens

d.) pathogens, antigens, antibodies

Meninges

It involves the brain?

Spinal cord

Im not sure

Concentration of antigens

Presence of disease

Genetic sequence of a pathogen

Order of infection

substrate

primary antibody

enzyme #2

antigen

Fever

Lethargy

Stiff Neck

Rash with scabs