(5 points) Gastric acid is produced by parietal cells in the stomach. Its secretion is a complex and relatively energetically expensive process that acidifies the stomach with HCl while maintaining a neutral cytosolic pH. (1) Explain the process of acidifying gastric fluid and the function of each of the five transporters in achieving the acidic pH of the stomach. (2) Define each transporter based on the information discussed in class.

I understand that for this course exams are only to be taken using an external webcam facing me from the side, where the instructor can see my body,  hands, head, and the computer screen.    

Based on the above plot, _____________ will cause a movement from point B to another point A on the same demand curve.

To an economist, ____________ is an abstract representation of the world to answer questions that do not have obvious answers.  In Economics, _________ are often judged by how well they predict.

The graph 1 describes a technical innovation (e.g., generative artificial intelligence) in the production of ______________

Not so surprisingly, one of my favorite objects is the Cat’s Eye Nebula located over 3000 ly away.  The Hubble Space Telescope recently observed this object in breathtaking detail in April 2023.  Which of the following statements is true? 

Match each region of the electromagnetic spectrum with the appropriate description.  Answer options may be used more than once or not at all. 

I hereby certify that I am not using any aids or outside resources in completing this exam.  All answers are my own thoughts and original work. I also acknowledge that I will not discuss or share any of the content of this exam until the release of the grades and solutions at the end of the week. If found violating these policies, I understand I will receive a 0 on the exam without the possibility of a make-up. 

Select all of the true statements regarding an atom. 

Use context clues to fill in the blanks (Position 1 refers to the first blank, etc.) with the most appropriate terms for the sentence to have meaning as a whole. Each term will only be used once or not at all.    Our home, _____1_____, is orbiting around the ____2______, the only such object in our ____3______, which is one such object orbiting in the _____4_____, one such object orbiting in the _____5_____, which is one such collection orbiting in the ______6____.