Explain the principle difference between direct agglutination and passive agglutination
What will be an ideal response?
Answer: Direct agglutination is clumping formed from soluble antibodies binding to soluble antigens that are either bound to the surface of a cell or bound to an insoluble particle. Passive agglutination again uses soluble antibodies, but the antigens of interest are also soluble, so they are first adsorbed to an inert antigen-carrier such as charcoal particles, latex beads, or red blood cells.
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The ____ are the most numerous type of leukocyte in a healthy individual
a. basophils b. eosinophils c. lymphocytes d. monocytes e. neutrophils
What is the annual rainfall range experienced by grasslands?
a. 25 - 100 centimeters b. 5 - 15 centimeters c. 10 - 25 centimeters d. 80 - 110 centimeters e. 50 - 85 centimeters
Explain why we say nearly all life on Earth ultimately depends on the sun for energy
What will be an ideal response?
Semiconservative DNA replication refers to the fact that _____
1.every A will be matched up with a T on the opposite strand 2.children inherit a mix of genes from both parents 3.the amount of A nucleotides always equals the amount of T nucleotides, and C nucleotides equal G nucleotides. 4.one strand of each parent DNA helix ends up in each new molecule