Which of the following is true about the spleen?

Which of the following initial protease activity is correctly matched with its corresponding complement pathway?

What is the soluble C3 convertase of the alternative pathway?

The secreted form of a T-cell receptor is:

Macrophage-like immune cells found in the liver are called _____ and in the brain they are called _____.

Which of the following is/are correctly matched?

________ is credited with inventing the first ever vaccine against a deadly disease, which was ________.

Which of the following is a complement control protein?

Where can complement proteins be found?

Clonal selection and expansion are part of the adaptive immune system.