Molec Bio 1: Nucleosides & Nucleotides Flashcards
1
Q
What is a nucleotide made of?
A
Base (A, T, C, G, U) + Sugar, Phosphate
2
Q
What is the difference between PURINES and PYRIMIDINES?
A
Purine = 2 ring structure Pyrimidine = 1 ring structure
3
Q
Which bases are purines, which are pyrimidine?
A
Adenine, Guanine = Purine
Thymine, Cytosine, Uracil = Pyramidine
4
Q
What is a nucleoside?
A
A Base + sugar (no phosphate)
5
Q
What are the sugars that can be used?
A
Ribose-
Deoxyribose-
6
Q
On a nucleotide, which carbon atom is the phosphate group attached on?
A
Carbon 5’
7
Q
When does a Uracil (U) base replace Thymine (T)?
A
What the sugar is ribose (in RNA)
