Enzymes are sensitive to changes in environmental conditions. A student is investigating how temperature affects enzyme activity. After heating an enzyme solution to a very high temperature, the enzyme stopped working. What is the most likely reason for this?

Photosystem I and photosystem II play distinct roles in the light reactions of photosynthesis. Which of the following best describes a key difference between these two photosystems?

What is a compound word used in place of a name, such as sea-road, ring-giver, etc.?

Matching (0.5 point each): fill in the blank with the letter corresponding to the correct definition.

In most leaves, stomata and chloroplasts are located in specific regions to perform their functions effectively. Which of the following best describes the location and function of these structures?

Match the stage of mitosis with the most accurate description of what occurs at each stage. 

In the Tuskegee Study of Untreated Syphilis in Negro Male (1932-1972) subjects were infected with latent syphilis. The subjects in the  study had the cognitive capacity to consent but were not able to make a truly voluntary choice because of being unduly influenced or coerced when offered free medical care.

Giacomo is an LSU shoe quarterback who is known for his ability to quite literally throw away the game when it matters most. One day, during his rigorous shoe throwing exercises, he negligently knocks an innocent civilian unconscious with a stray purple and gold cleat. Giacomo was promptly arrested and taken to jail to await trial. The judge assigned to his trial happened to be a passionate Gator fan who was excited about a potential national championship season for his beloved Florida football team, which Giacomo had spoiled a few years ago with yet another stray cleat. As a result of the judge’s (understandable) resentment towards Giacomo’s previous national championship sabotaging episode, the judge sentenced Giacomo to a lifetime in prison for his current crime. The judge’s comically harsh sentence could be described by which of the following legal theories?  

You need to run the zip.exe executable on your Windows system as the Admin (a member of the Administrators group) on your system. To accomplish this, which option should you use with the runas command?

Where are user’s Kerberos tickets and other security-related information stored?