Essays Tagged: "Purine"

Notes explaining the structure of DNA, replication process of DNA, how mutations work in DNA, and the Polymerase chain reaction process

-The two strands are held together by hydrogen bonds -The rungs of the helix consist of purine/pyrimidine rings-Adenine and guanine are purines -Purines have two organic rings-Cytos ... ne and thymine are pyrimidines -Pyrimidines have a single organic ring-Pyrimidines pair with purines to form rungs of helix (adenine with thymine and guanine with cytosine) -Adenine and ...

(3 pages) 63 0 2.0 Feb/2005

Subjects: Science Essays > Genetics & Genome Projects

DNA lab write-up. Includes Introduction. Contains materials used in lab, and the steps taken.

hosphate unit, deoxyribose sugar, and nitrogen bases. The bases are made up of 2 different types of Purines, Adenine and Guanine, and Pyrimidines, Thymine and Cytosine. The Purines have 5 nitrogen ato ...

(3 pages) 66 1 3.7 Aug/2003

Subjects: Science Essays > Biology


s negative controls. The obtained hydrosylates and control were subjected to tests for Pentoses and Purines. Test tubes containing standard DNA were positive for pentoses. However, this is not in acco ... pentoses. However, this is not in accord with the expected theoretical result. Meanwhile, test for purines was quite successful. Test tubes hydrolyzed with strong acids showed positive results. Howev ...

(6 pages) 3 0 0.0 Jul/2014

Subjects: Science Essays > Chemistry