Which of the following is a function of ubiquinone (coenzyme Q) in oxidative phosphorylation?

During the electron transport chain, protons are pumped out of the matrix of the mitochondria at all major sites, except:

Please review the figures below. Which combination of subunits of the ATP synthase rotates?   A B

A hinge joint would be considered which of the following? (only one correct answer!)

Reading #2 | Question 2 In paragraph B, what does the phrase stay in the loop mean?

Transitions INSTRUCTIONS: Read each sentence, and match each underlined transition word or phrase with its purpose. Furthermore, in those brief moments in which we are offline, we often make it a priority to get back online as quickly as possible. [answer1]  Indeed, one of the first pieces of information that anyone seeks when entering a cafe, hotel, or shopping mall is the Wi-Fi password. [answer2] As a result, many people have chosen to do whatever it takes to continuously stay in the loop. [answer3] By contrast, in our current age, evenings and weekends have become fair game. [answer4] It must be said, however, that such remedies are only temporary escapes. [answer5]

Reading #2 | Question 1 What is the main idea of the first paragraph? 

Reading #1 | Question 5 According to the passage, which of the following is NOT a good activity to reduce stress?

Unit 10A Vocabulary INSTRUCTIONS: Read each sentence. Decide if the use of the underlined word in each sentence makes the statement T (true) or F (false). If you are conscious of something dangerous near you, you will walk to it. [answer1] Anger and sadness are examples of emotions. [answer2] If you’re unable to suddenly change your work schedule, you’re very flexible. [answer3] If something functions properly, it works the way it’s supposed to. [answer4] When someone shares their perspective with you, they are explaining what they think about something. [answer5] When you reinforce a section of wall, you weaken it and make it less stable. [answer6] The structure of something is the way it works. [answer7] They transformed their old, run-down house into a bright and modern one. [answer8] If you inherit a vast amount of land, you will get a small piece of property in the city. [answer9] The welfare of a person or group is their health, comfort, and happiness. [answer10]

Reading #1 | Question 1 What does we refer to in paragraph B?