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Instructions: You have 1 hour to complete the exam.  This is a closed book and closed notes exam. Only a physical scientific calculator is allowed. No graphing calculators, electronic devices, books, notes, or other reference materials are permitted during the exam. You may only use a pen or pencil and blank scratch paper. Write all answers clearly in the space provided and show all necessary work to receive full credit. If you need additional space or prefer to write your solutions on separate sheets, you may do so. In that case, clearly label each sheet with your name and the corresponding question number. After completing the questions, scan your solutions and upload them to Canvas as a SINGLE .pdf file. You may use your phone to scan your work. Then, either share the file with your computer or email it to yourself in order to upload it. Ensure that all pages are legible, properly ordered, and clearly labeled with your name. Now you can start. Sample Exam.pdf  

Examine the following image and then choose the correct statement which summarizes the data. Purple spheres and dots represent S. purpuratus eggs and bindin, respectively.  While green spheres and dots represent S. franciscanus eggs and bindin protein, respectively.  

Which of the following is the significant lipid component of the cell walls of acid-fast bacteria?

A _______ stain is one that colors the background surrounding the cell, leaving the cell itself unstained.

How will you select and grow a resistant strain of E. coli in an experiment?

The new strand of nucleotides formed during DNA replication is called the _____ strand.

How do you smear a bacterial culture onto the microscope glass slide?

A student was performing the Kinyoun’s acid fast staining method on a sample of bacteria. The resulting stained slide contained only cells that appeared blue when visualized using a microscope. Which of the following could explain why only blue cells were present?   No acid-fast bacteria are present on the slide The student forgot the methylene blue staining step The student forgot the carbolfuchsin staining step The student forgot the acid-alcohol decolorization step  

Which of the following is stained during the first part of the capsule staining procedure?

________ is defined as the use of living organisms to perform a task that benefits humans and other living organisms.