DNA Wordsearch Puzzle
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1. One of the four nitrogenous bases in the double helix of DNA. It always bonds to thymine in DNA. In RNA
it bonds to uracil. [ADENINE]
2. One of the about 20 organic molecules that make up proteins. [AMINOACIDS]
3. One of the four nitrogenous bases in the double helix of DNA. It always bonds to guanine in DNA. It also
occurs in RNA. [CYTOSINE]
4. Deoxyribonucleic acid. A molecule that is present in all living cells and that contains the information that
determines the traits that a living thing inherits and needs to live. [DNA]
5. The shape of the DNA molecule. It is a twisted ladder with the legs of the ladder made of alternating
sugar parts and phosphate parts and the rungs of the ladder made of pairs of bases. [DOUBLEHELIX]
6. One of the four nitrogenous bases in the double helix of DNA. It always bonds to cytosine in DNA. It also
occurs in RNA. [GUANINE]
7. A sub-unit of a nucleotide. The four in DNA are adenine, cytosine, guanine, and thymine. Uracil replaces
thymine in RNA. Pairs of these form the rungs of the DNA ladder. [NITROGENOUSBASE]
8. A molecule composed of strings of nucleotides. They act as the genetic material of cells and occur as
either the double helix DNA or the single helix RNA. [NUCLEICACID]
9. A sub-unit of a nucleic acid chain (DNA or RNA) that is composed of a sugar, a phosphate, and a
nitrogenous base. [NUCLEOTIDE]
10. A molecule that along with a sugar forms the legs of the ladder of DNA. [PHOSPHATE]
11. One of a family of large, complex molecules made up of chains of amino acids. [PROTEIN]
12. A simple carbohydrate molecule. Along with the phosphate these form the legs of the ladder of DNA.
[SUGAR]
13. One of the four nitrogenous bases in the double helix of DNA. It always bonds to adenine in DNA. It
does not occur in RNA. [THYMINE]