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Test:  [SL] Jun5_Biology-SL_P1.pdf [HL] Jun5_Biology-HL_P1.pdf Duration of Test: 60 minutes  Once you are ready to submit, please scan and upload your work as a single PDF file. Upload all scratch paper used as well. Please upload your work as a single PDF file.   To retrieve your work via Gmail with Honor Lock enabled, use the link below: https://mail.google.com/mail/u/0/#inboxLinks to an external site. If you are using Airdrop, you can ignore this instruction. 

The initial encounter that occurs when an allergen is recognized by one or more  B lymphocytes is called the: 

Which of the following statement about acquired (adaptive) immunity is TRUE?

The complement proteins involved in enhancing the inflammatory response include:  (Choose ALL that Apply)

Interferons, a group of immune proteins that inhibit the binding of foreign pathogens to host cells (and subsequent entry into those host cells), would be most effective against infections caused by:

Which of the following terms refers to process of antibodies either linking foreign cells together or joining foreign particles into large aggregates that can be more easily removed from the body? 

1. What is the study of immunity called?

5. What inherited disorder is marked by unhealthy, crescent-shaped erythrocytes?

11. What is the malignancy associated with AIDS?

Given the frequency table below, determine the mean, median, and mode dollar amounts. Frequency of Dollar Amounts Value Frequency $5 4 $10 5 $15 9 $20 2   Enter your answers in the blanks provided. Do NOT type in  words or symbols. Example: Round answers to the nearest cent. If your answer is $3.00, type it in as 3.00. If your answer is $4.526, round it to 4.53.   Mean = $ [mean]   Median = $ [median]   Mode = $ [mode]