Question 9 of 10 How do your cells get energy from peanut butter? O A. Their chromosomes use nucleic acids from the peanut butter to make proteins. O B. Their mitochondria use sugar from the peanut butter to make a usable form of energy. C. Their nuclei use lipids from the peanut butter to make more DNA. D. Their cell membranes use DNA from the peanut butter to make phospholipids.

How can a scientist assess whether a pure niobium (nb) sample is responsible for contaminating the lab with radioactivity? test the niobium sample to see whether it now contains other elements. test the niobium sample for the presence of niobium oxide compounds. heat the niobium, and see if the level of radioactivity in the lab increases. place the niobium under pressure, and see if the level of radioactivity in the lab increases.