NUCLEIC ACIDS Flashcards
1
Q
2.1 what are the organic bases in DNA
A
Cytosine
Thymine
Adenine
Gaunaine
C-G
A-T
2
Q
2.1 what are the organic bases in RNA
A
Cytosine
Adenine
Uracil
Guanine
U-A
C-G
3
Q
2.1 what reaction forms the bond between the pentose sugar, phosphate group and base in a single nucleotide?
A
Condensation reaction
4
Q
2.1 what reaction joins mononucleotides and what bond is formed
A
• Condensation reaction
• Phosphodiester bond
5
Q
2.1 what is the pentose sugar in RNA
A
Always RIBOSE
6
Q
2.1 how are two strands of nucleotides held together
A
HYDROGEN BONDS between bases
7
Q
2.1 what makes DNA a stable molecule
A
• phosphodiester backbone protects molecule
• many hydrogen bonds grouped together are strong
