What valve is pointed at by the black arrow?

Name the structure indicated by the blue arrow.

What are these two white blood cells called?

What is this blood type? (Hint: This is what we what you to be about this practical!)

What structure is pointed at by the blue arrow?

What is the black arrow pointing at?

What are the black arrows pointing at?

What determines the bacterial growth rate in relation to oxygen concentration?

The remaining questions are free response. Write your solutions (including all your work) on a separate sheet of paper. After submitting this exam, upload pictures of your Free Response solutions to the Exam 2 Free Response Solutions assignment in Canvas. You must turn in your solutions within 5 minutes of submitting your exam.

Which of the following concepts is NOT one of the basic theories of biology?