Which is a difference between antibodies and antigens? a. antigens destroy pathogens; antibodies trigger the production of antigens. b. antigens trigger the production of antibodies; antibodies destroy pathogens. c. antigens are components of the lymphatic system; antibodies are components of the immune system. d. antigens are components of the immune system; antibodies are components of the lymphatic system.

B. Antigens trigger the production of antibodies; antibodies destroy pathogens.

Explanation:

Antibodies are proteins that are produced by the immune system. They fight against antigens and kill them. Antibodies are also called immunoglobulins and they are of five basic types.

Antigens are the antibody generating substances. They trigger or stimulates the immune system to produce antibodies. Examples of antigens are bacteria, viruses, or fungi. These are pathogens which cause infections.

cellular respiration oxidizes food into energy in the form of atps.

glycolysis (6 c hexose) > 2x atps are used > 6c hexose biphosphate > 2 x 3c triphosphate >

2 x 3c pyruvate (2x nadh produced from nad) and (4x atp produced)

pyruvate actively pumped mitochondrial matrix.

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