In a stringed musical instrument, the part that vibrates in resonance with the sound waves produced by the strings is called the
a. reed.
b. diatonic scale.
c. sounding board.
d. membrane.

dna is made up of six smaller molecules -- a five carbon sugar called deoxyribose, a phosphate molecule and four different nitrogenous bases (adenine, thymine, cytosine and guanine).

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