This is another name for antibody-mediated immunity. It likely got its name because antibodies are present in the body fluids. Plasma-mediated immunity

Humoral immunity

Immune-mediated immunity

Cellular immunity

Cell-mediated immunity

The trp operon in e.coli regulates genes that code for enzymes required for synthesis of the repressible operon. when tryptophan is not available amino acid tryptophan. the trp operon is a in the environment, the trp repressor protein activeinactiveregulated. therefore, rna polymerase can bind to the genes to begin transcription.

Where do the respiratory and circulatory systems meet? a. in the heart b. in the muscles c. in the lungs d. in the brain

Where is pericardial fulid located