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There are 10 problems for a total of 108 points.                                        You must write your solutions on a blank sheet of paper OR a blank document if using a tablet. Work will not be submitted using this Canvas Quiz. You must label your solution with the number of the question and part to which you are responding. You must upload only one file with all of your solutions attached as screenshots. Read each question very carefully. In order to receive full credit for each portion of the test, you must: Show legible and logical (relevant) justification which supports your final answer. Use complete and correct mathematical notation. You have 75 minutes to complete the entire test, +15 minutes to complete the submission. Notation:

True or false. Justify your answer. There is a surjective (or onto) function from to . 

True or false. Justify your answer. The function

Explain the difference between immature and mature dendritic cells:

Which of the following is NOT true of positive selection?

After the B cell encounters an antigen, the BCR undergoes somatic hypermutation to create a higher affinity binding site.

Sponsorships can also give brands  .

In-game signage may be  .

A horse race, a soccer match, and a baseball game are all   , while chess and poker are  , and general exercise is  .

  require(s) that the event, team, or league is named after the sponsoring brand.