A1.2 Nucleic acids HL Flashcards
1
Q
Two-carbon nitrogen ring bases found in DNA and RNA, specifically adenine and guanine
A
Purine Bases
2
Q
A
Nucleosome
3
Q
One-carbon nitrogen ring bases which include thymine, cytosine, and uracil
A
Pyrimidine Bases
4
Q
Replication,
transcription and
translation all add
new nucleotides in
the 5’ to 3’ direction
A
5’ to 3’ Sugar
- Phosphate
Link
5
Q
A 1952 experiment using radioactive labeling to confirm that DNA, not protein, is the genetic material of viruses.
A
Hershey – Chase Experiment
6
Q
A
Purines
7
Q
This rule identified that adenine pairs with thymine, and guanine with cytosine, in DNA, and that these bases exist in fixed ratios
A
Chargaff’s Rule
8
Q
This is the basic unit of DNA packaging in eukaryotes, consisting of DNA segments wrapped around a core of histone proteins.
A
Nucleosome
