8.8 - Structure of RNA Flashcards
(7 cards)
1
Q
tRNA molecule structure (5):
A
- single stranded molecule
- sugar phosphate backbone
- folded shape
- hydrogen bonds between complementary bases
- amino acid binding site
- specific anticodon on the tRNA molecule which is complementary to the codon on the mRNA molecule
2
Q
mRNA structure
A
- a single stranded molecule
- made up of a sugar-phopshate backbone and unpaired nitrogenous bases
- uracil bases instead of thymine
3
Q
what are phosphodiester bonds?
A
covalent bonds between adjacent nucleotides
4
Q
RNA structure
A
a polynucleotide strand makes up a RNA strand
contains sugar phosphate bonds (forms a sugar phosphate backbone)
Contains AUGC bases
ribose sugar
5
Q
Differences between RNA and DNA
A
- contains pentose sugar instead of deoxyribose
- consists of one polynucleotide strand
6
Q
What nitrogenous bases does RNA contain?
A
Adenine
Guanine
Cytosine
Uracil
7
Q
What is RNA?
A
a polynucleotide like DNA
made up of nucleotides within a long chain
