Suppose your Chaffey college tuition per semester is $4,000 and your extra expenses with the college during the year (books, other materials, gas, meals, etc.) sum $3,000. If you were not attending college, you could work at firm X and get an annual salary of $ 5,000. What is your opportunity cost of attending college in one year? In your calculations assume that you are taking 2 semesters in a year. Show your work! You won’t get credit if you provide only the final answer!

Which organism can cause food poisoning?

Typhoid fever and Shigellosis have very similar symptoms. However, there is one major difference in one area. How do they differ with regard to the intestines?

Bacteria that lack cell walls and cause pneumonia and some sexually transmitted diseases are called

Bacteria that have lost their cell walls are a group of bacteria known as the _____________.

The buildup of mucus and blockage of airways in pertussis is due to

Leprosy is a disease

Pseudomonas aeruginosa causes all the following, except

The DTaP vaccine is used to prevent several diseases, one of which is _____.

Family Enterobacteriaceae is divided up into the bacterial species that are coliforms and those that aren’t. What is a coliform species of bacteria?