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Succinate dehydrogenase catalyzes the conversion of succinate to fumarate. The reaction is inhibited by malonic acid, which resembles succinate but cannot be acted upon by succinate dehydrogenase. Increasing the ratio of succinate to malonic acid reduces the inhibitory effect of malonic acid.   Based on this information, which of the following is correct?

What is the atomic number of an ion with a –2 charge when it has 18 electrons?  

How can you display the main folders on a Windows computer?

Why is the date a file was modified useful?

What does an operating system provide so you can interact with a device?

A(n) _____ protects your device against unauthorized access.

Sophia is putting together a training manual for her new batch of employees. Which of the following features can she use to add a document title at the top of each page?

How can you check data on devices connected through an IoT network?

Lauren is preparing a presentation for her class. She wants to make the slides and their objects appear and disappear to make it more interesting. What should she do?

LensForAll is a company that sells affordable contact lenses on its website. The CEO of the company realizes that an app must be developed that would allow customers to virtually try on colored lenses to find out what best suits them. Which of these features should the app have?