Which of the Following Postulates of Dalton's Atomic Theory Has

question 49

Multiple Choice

Which of the following postulates of Dalton's atomic theory has been modified in light of later discoveries?

• A)All matter is made up of very small particles called atoms.
• B)All atoms of an element are identical.
• C)Chemical reactions involve rearrangement of atoms.
• D)Compounds are formed from atoms.

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Definitions:

Antigen Presenting Cells

Specialized immune cells that process and present antigens to T cells, initiating an immune response.

Macrophages

Large white blood cells that ingest and destroy pathogens, playing a crucial role in the body's immune response.

Dendritic Cells

Specialized immune cells that process antigen material and present it on the surface to other cells of the immune system, initiating an immune response.

B Cells

A type of white blood cell that plays a significant role in the adaptive immune system by producing antibodies to defend against pathogens.