Please select the word from the list that best fits the definition

Composed of one type of compound
1. molecule
2. compound
3. mixture
4. chemical formula
5. molecular formula
6. pure substance

nucleic acid molecules are incredibly complex, containing the code that guarantees the four different nucleotide units comprise dna, the nucleic acid of interest to the genealogist. and one of four nitrogen-containing molecules called nucleotides

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answer: collecting information/data

reason: the student is going around and asking people questions to collect data

i hope this

. ph changes the ability of them he enzyme to dissolve in water.

blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium of the heart. as the ventricle contracts, blood leaves the heart through the pulmonic valve, into the pulmonary artery and to the lungs where it is oxygenated.