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Of the following gestures, which is NOT a form of nonverbal communication?

Which of the resists changes in pH 

Which of the following describes an isotope

Which of the following nucleotides is NOT found in DNA

What sugar molecule makes up RNA nucleotides

Which of the following is NOT one of the 6 elements that make up 95% of the body weight of organisms

A cation is an atom that has lost an electron and now has a negative charge

A triglyceride is made of a glycerol molecule and how many fatty acids

What levels of protein structure is the chain of amino acids 

Which of the following is the main function of carbohydrates