The Nitrogen-Fixing Enzyme System,nitrogenase,is Found Exclusively in

question 51

Multiple Choice

The nitrogen-fixing enzyme system,nitrogenase,is found exclusively in

• A) plants
• B) bacteria
• C) some viruses
• D) eukaryotic organisms

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Definitions:

Macrophages

A type of white blood cell that engulfs and digests cellular debris, bacteria, and other foreign substances in the body.

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.