The answer is b. The second letter (if there is one) is always written as lowercase
Answer:
Finger prints, hair, body fluids( blood, saliva, semen), bone.
Explanation:
Its the second option....................................... :)
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1) a five carbon ribose sugar
2) a phosphate molecule
3) one of four nitrogenous bases: adenine, guanine, cytosine or uracil
