Which of the Following Is Used to Generate Diversity in the Antibody

question 32

Multiple Choice

Which of the following is used to generate diversity in the antibody repertoire?

• A)Presence of multiple variable gene segments that can be assembled in multiple different combinations
• B)Addition of N nucleotides that are not encoded in the germ line
• C)Exonuclease trimming of excess nucleotides at variable segment junctions
• D)Ability to pair a single heavy chain with different light chains, so as to avoid generation of autoreactive antibodies
• E)All of the answers are correct.

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Definitions:

Copepods

Small crustaceans found in marine and freshwater habitats, playing a significant role in aquatic food webs as a source of food for many fish species.

Adapted to Fire

Refers to species that have evolved traits to survive or take advantage of conditions following a fire.

Chaparral

A biome characterized by dense, evergreen shrubs and is found in regions with a Mediterranean climate.

Boreal Forests

Vast biomes consisting primarily of coniferous trees, located in the northern regions across the taiga zone, known for cold climates and long winters.