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Answer only one of the questions below, either 6 OR 7 (15 total points) Shyam Mohapatra Development of vaccines are considered one of the major contributions of biomedical research to better human health. (a) Immune system has two major arms, innate immunity and adaptive immunity. Which type of immunity plays a key role in vaccine development? Justify your answer. (4 pts)(b) John Doe was vaccinated with tetanus toxoid vaccine. How long will he likely be protected from tetanus? (5 pts) and(c) what antibody-based effector mechanisms are involved in fighting infections? (6 pts) Shyam Mohapatra i)Which of the following statements is true about the complement system that is known to enhance immunity (5 pts). Justify your response. (a) lysis of pathogen, tumor cells and allografts(b) production of mediators that attracts neutrophils to the site of inflammation(c) opsonization(d) all of these ii) Provide an example of a complement protein that is involved in enhancing phagocytosis. (5 pts) iii) The cartoon on the left illustrate is a major effector function mediated by the complement system in our body. a) Which complement function does this illustrate and what is consequence? b) Indicate whether this complement function belongs to the classical or alternative pathway. (5 pts)

If Bancorp South presents the check to Compass Bank for payment and it is dishonored, who has secondary liability for payment of the check?  

__________ is another name for treatment.

Which of the following statements about process analysis is TRUE?

Who was the most influential songwriter of American popular song during the nineteenth century?

The income effect means that when the price of a good rises 

The idea that a consumer is limited to selecting a bundle of goods that is affordable is captured by the: 

My wife really likes shoes. Every time she buys new shoes, she claims to need both a right shoe and a matching left shoe. Her indifference curves for right shoes and left shoes

Assume Joseph spends his entire income on X and Y, and his indifference curves have the usual convex shape. If Joseph maximizes his utility, then 

What is the most common cause of Down syndrome?