Nucleic Acids Flashcards
1
Q
Nucleic Acids
A
Polymers of nucleotides
2
Q
Nucleotides
A
Monomers of nucleic acids
3
Q
Functional groups of: nucleic acids
A
- phosphate (phosphoric acid)
- pentose sugar
- nitrogen-containing base
4
Q
Polymers of nucleic acids
A
- DNA
- RNA
5
Q
DNA
A
Deoxyriboucleic acid
- pentose sugar doesn’t have O (“deoxy”)
- stores genetic info
- 4 nucleotide bases
- alpha double helix structure (H-bonds)
- phosphate-sugar-p-s-p poles
6
Q
DNA nucleotide bases
A
- A Adenine
- T Thymine
- G Guanine
- C Cytosine
7
Q
RNA
A
Ribonucleic acid
- intermediary in the sequencing of amino acids into a protein
- pentose sugar is ribose
- structure is single strand with unmatched nucleotides attached
- 3 classes of RNA
8
Q
RNA shape
A
Can be straight or shape caused by complimentary nucleotides on the same strand pairing with each other once it’s folded over
9
Q
RNA nucleotide bases
A
- A Adenine
- U Uracil
- G Guanine
- C Cytosine
10
Q
3 Classes of RNA
A
- mRNA
- rRNA
- tRNA
11
Q
mRNA
A
messenger RNA
-produced by RNA polymerase in the nucleus transcribed from a segment of DNA
12
Q
rRNA
A
ribosome RNA
- makes up ribosome (along with proteins)
- glomps onto mRNA?
13
Q
tRNA
A
transfer RNA
- transfers amino acids to ribosomes
- matches 3 anticodon w/3 codon in the nucleotide pattern of mRNA sequence and moves from A-P-E to make a polypeptide chain (initiates @ P)
14
Q
Purines
A
Has a double Carbon ring structure
“All Girls are Pure”
-always bonded to a pyrimidine
15
Q
Pyrimidines
A
Has a single Carbon ring structure
- U, G, C
- always bonded to a purine
