What two substances make the backbone of the DNA molecule?

sugar and nitrogen base

adenine and thymine

sugar and phosphate

thymine and phosphate

You have been given an assignment to speak on the federal prison system in the u. s. which of the following sources is likely to be the least credible? a. an interview with an inmate of a federal prison b. the us department of justice “federal bureau of prisons” website: c. the website [] which discusses the danger of releasing an alarming number of convicts back into society d. an article from foxnews. com about the florida state penitentiary

Magnesium is the fourth most abundant mineral in the body and is essential to good health. magnesium is needed for more than 300 biochemical reactions in the body. it maintain normal muscle and nerve function, keep bones strong, keep one’s heart rhythm steady, and supports a healthy immune system. magnesium also regulate blood sugar levels, promotes normal blood pressure, and may play a role in energy metabolism and protein synthesis. doctors and scientists are trying to determine whether magnesium may play a role in preventing and managing disorders such as hypertension, cardiovascular disease, and diabetes. which is the main idea of this paragraph? a. the role of magnesium in human nutrition is being studied intensely. b. magnesium may be related to the body’s metabolism and other healthy functions. c. magnesium appears to contribute to hypertension, cardiovascular disease, and diabetes. d. magnesium and a healthy immune system are separate diseases.

Read the sentences below. (1) wordsworth believed that poetry should present the ordinary in unusual ways, and shelley's "ode to the west wind" does just that. (2) in the poem, the speaker calls the wind "thou breath of autumn's being." (3) later in the poem, the speaker refers to the wind as both "destroyer and preserver." which word or phrase would smooth the transition between sentence 1 and sentence 2? a "in addition" b "finally" c "for instance" d "moreover"