Which of the following is true about a J-chain?

Which of the following statements is false regarding innate immune receptors?

Which of the following is one of the four main types of adhesion molecules we talked about?

CR3 and CR4 are considered a _________ and can recognize _______ on Gram _______ bacteria.

The term used to describe how tight one antibody binding site binds to an antigen is:

Antibodies are the secreted form of a BCR.

When a pathogen invades a tissue, it is encountered by _________, which are residents in tissues and among the first effector cells to recognize pathogen.

Which of the following is false about antibodies?

Which pair of neutrophil granule names are correct?

How many total complementarity-determining regions are in an IgA secreted in milk and how many are in a secreted IgE?