Nucleotide Classification Flashcards
Nucelotide
A sugar joined to a base and phosphate
Nucleoside
A sugar joined to a base, but without the phosphate
What is the structure of a purine
2 ring structure
What is the structure of a pyrimidine
Smaller 1 ring structure
What is the structure of Guanine
Purine
What is the structure of Cytosine
Pyrimidine
What is the structure of Adenine
Purine
What is the structure of Thymine
Pyrimidine
What is the structure of Uracil
Pyrimidine
The bases are very hydro ………. and are relatively ………. in water
Hydrophobic, insoluble in water
The bases exist as tautomers, meaning………….
they exist as isomers that differ in double bond and Hydrogen placement
…………… of the double bonds makes the molecules planar and stabilises the structure
Resonance
Can be made de novo (or “from nothing”). True or False
True
Joined to the sugar by what type of bond
Beta Glycosidic bond
