nucleic acids Flashcards
what is the general structure of nucleic acids?
-pentose sugar
-phosphate group
-organic base
what are the two nucleic acids?
-dna
-rna
what’s the structure of rna?
-phosphate
-ribose
-nitrogenous base
what are the types of rna?
-mrna
-rrna
-trna
what does mrna do?
attachesa ribosome in the cytoplasm
what does trna do?
-carries an amino acid at the 3’ end
-an anticodon arm to attach to the mrna
what does rrna do?
forms ribosomes
what bases are there in dna?
a, t, c, g
what bases are there in rna?
a, u, c, g
how are the bases paired?
complimentary bonding through hydrogen bonds
what bases pair with each other?
-a and g
-c and t
-c and u (in rna)
what bases are purines?
-adenine
-guanine
what bases are pyrimidines?
-cytosine
-thymine
what are the differences between rna and dna?
rna:
-ribose sugar
-single stranded
-a, u, c, g[
dna:
-deoxyribose sugar
-double stranded
-a, t, c, g bases
