
Precipitation Reactions and Antibody Interactions
Interactive Video
•
Biology, Chemistry, Science
•
11th - 12th Grade
•
Hard

Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary basis for using antigens and antibodies in diagnostic immunology?
Their ability to dissolve in solutions
Their highly specific reactions
Their non-specific interactions
Their ability to form covalent bonds
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is required for the formation of a visible precipitate in a precipitation reaction?
Equal proportions of antigens and antibodies
Presence of a strong acid
Antigens that are insoluble
Antibodies with at least one antigen binding site
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which condition is NOT necessary for precipitation reactions?
Presence of an electrolyte
Antigen solubility
High temperature
Suitable pH
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a test sample where antibodies are in excess, what is the result?
Formation of large insoluble complexes
Maximum precipitation
Antigen excess
No lattice formation
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens in the zone of equivalence in a precipitation curve?
Antibody excess
No precipitation occurs
Antigen excess
Maximum lattice formation
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the x-axis represent in a precipitation curve?
Amount of precipitate
Time
Concentration of antibody
Concentration of antigen
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the zone of antigen excess, what is the outcome?
Maximum lattice formation
No lattice formation
Antibody excess
Equal proportions of reactants
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