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5 votes
Chromosomes are made of tightly packed ________ molecules.

a. DNA
b. amino acid
c. lipid

2 Answers

1 vote
a threadlike structure of nucleic acids and protein found in the nucleus of most living cells, carrying genetic information in the form of genes.
User Werner Harnisch
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2 votes
Chromosomes are made of tightly packed DNA molecules.
User DarkHalo
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