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What are the three functions of organic material?
1) Replication
2) Expression
3) Mutation
What are the three compounds that make up nucleic acid?
1) Nitrogenous base
2) Phosphate
3) Sugar
What are the four physical properties (functions) of nucleic acid?
-Nucleic acids have four functions:
1) Base pairing
2) Form double helix
3) Provides stability
4) Superstructures (supercoils/grooves)
What are the two kinds of bases?
-Purines: Aderine, Guamine
-Pyrimidines: Cytosine, Thymine
What are the two purines?
Aderine and Guamine
What are the two pyrimidines?
Cytosine and Thymine
What bonds hold the sugar phosphate backbone together?
Covalent bonds
What bonds hold the bases together?
Hydrogen bonds
Does the phosphate backbone have a positive or negative charge?
It has a negative charge
Does DNA have an overall positive or negative charge?
It has an overall negative charge
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