DNA/RNA Flashcards
0
Q
Describe structure of MRNA
A
Single polynucleotide chain Single helix molecule Bases are AUGC Smaller than DNA but larger than tRNA Pentode sugar is ribose Made in nucleus but found throughout cell
1
Q
What’s RNA made up of?
A
Pentose sugar ribose
A phosphate group
Organic base
2
Q
Describe structure of TRNA
A
Single polynucleotide chain Clover shaped molecule Pentode sugar is ribose Bases AUGC Made in nucleus but found throughout cell
3
Q
Describe structure of DNA
A
Double polynucleotide chain Largest molecule of 3 Double helix molecule Pentose sugar is deoxyribose Bases ATGC Found mostly in nucleus
4
Q
How is a tRNA molecule suited so an amino acid can easily attach?
A
One end of its single stranded chain extends beyond the other
