Essays Tagged: "Thymine"

DNA What is it?

s. The first two, adenine and guanine, are double-ringed purine compounds. The others, cytosine and thymine, are single-ringed pyrimidine compounds. (Miller, 141) Four types of DNA nucleotides can be ... helix, the pairing between bases of the two chains is highly specific. Adenine is always linked to thymine by two hydrogen bonds, and guanine is always linked to cytosine by three hydrogen bonds. Thi ...

(6 pages) 202 0 2.0 Mar/1997

Subjects: Science Essays > Genetics & Genome Projects


e that particular nucleotide contains. The nitrogenous bases that are contained in DNA are adenine, thymine, guanine, and cytosine. The sugar group that is attached to the sugar-phosphate backbone is ... tides sequence. The sugar is an RNA molecule is ribose, not deoxyribose as in DNA. In addition, the thymine nucleotide does not occur in RNA, in RNA the thyamine nucleotide is replaced by uracil. When ...

(5 pages) 204 3 4.8 Feb/2003

Subjects: Science Essays > Genetics & Genome Projects

The structure of the nucleic acids DNA and RNA.

of these nitrogen-containing bases. There are 4 different types of bases, adenine (a), guanine (g), thymine (g) and cytosine (c) but in RNA thymine is replaced with uracil (u). Each base is complement ... o another and so DNA is made up of complementary base pairs. Adenine and Guanine are Purine whereas Thymine and Cytosine are Pyrimidines. Purines have two ring strucutres and pyrimidines have only one ...

(3 pages) 106 0 0.0 Apr/2003

Subjects: Science Essays > Biology

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

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 atoms; the Pyrimidines contain 2, therefore receiv ... ar make up a nucleotide. The nitrogen base always bonds (attaches) to the sugar unit (deoxyribose). Thymine, Tfor short, always bonds with Adenine (A). While Guanine (G) always bonds with Cytosine (C) ...

(3 pages) 66 1 3.7 Aug/2003

Subjects: Science Essays > Biology

Biology study notes - Proteins, RNA, and Mutations.

nd third, RNA has a nitrogen-containing base called uracil - abbreviated as U - instead of the base thymine found in DNA. Like thymine, uracil is complementary to adenine.All three types of RNA, are e ...

(2 pages) 85 2 3.5 Sep/2003

Subjects: Science Essays > Biology > Human Biology


contains four such bases the purines adenine (A) and guanine(G) and the pyrimidines cytosine (C) andthymine (T). The RNA molecule, markedly similar to DNA, usually consists of a single chain. The RNA ... chaincontains ribose sugars instead of deoxyribose. In RNA, the pyrimidine uracil (U) replaces the thymineofDNA. DNA and RNA are made up of basic units called nucleotides. In DNA, each of these is co ...

(4 pages) 91 1 3.0 Nov/2003

Subjects: Science Essays > Biology

The Fragile X syndrome and Duchenne muscular dystrophy (DMD) disease comparation

which are coiled in a spiral ladder type through nucleotide hydrogen bases (cytosine-c, guanine-g, thymine-t, adenine-a) (fig1 below). Human cells have 46 chromosomes (fig 2 below) - 22 pairs of auto ...

(14 pages) 88 3 2.4 Nov/2003

Subjects: Science Essays > Biology

DNA: an overview.

phosphate group and a base, which contains nitrogen. There are four different bases called adenine, thymine, guanine and cytostine. The 2 molecules then bind, combining the 2 bases, as follows: adenin ... ine and cytostine. The 2 molecules then bind, combining the 2 bases, as follows: adenine pairs with thymine, and guanine pairs with cytostine. These bases join by what is called a hydrogen bond.Franci ...

(1 pages) 82 2 4.1 Jan/2004

Subjects: Science Essays > Biochemistry

FIlm Analysis of Gataca, Concentration in ethics.

omething more. "Gattaca" is derived from the chemicals that make p the DNA chain (guanine, adenine, thymine, and cytosine.) This becomes very important when combined with the tag line "There is no gen ...

(7 pages) 73 1 3.5 Feb/2004

Subjects: Art Essays > Film & TV Studies > Film Review and Analysis


r different nucleotides of DNA vary only in their organic base. They have adenine (A), guanine (G), thymine (T), or cytosine (C). DNA is made up of three components: an organic base, a phosphate molec ... d strand of nucleotides, like to DNA, but with a slightly dissimilar chemical structure. Instead of thymine (T), in RNA uracil (U) is the nitrogenous base. There are three main types of RNA, each a di ...

(6 pages) 120 0 1.7 Mar/2004

Subjects: Science Essays > Biology

Anatomy notes on dna and rna- very descriptive

f nucleic acid)-nucleobase,sugar,phosphate group.Adenine and Guaninie- purine. Double ringsCytosine/Thymine- pyrimidine-single ringsAdenine/thymine/cytosine/guanine -DNAAdening/uracil/cytosine/guanine ... es 10% in nucleus- mRnaDna- Deoxyribose sugar- thymine, double strand, nucleusRna- ribose sugar - uracil, single strand, nucleus, cytoplasm64 codon ...

(2 pages) 32 0 3.5 Oct/2004

Subjects: Science Essays > Genetics & Genome Projects

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

up-The sugar in DNA is a pentose sugar called deoxyribose-The different kinds of bases are adenine, thymine, guanine, and cytosine-In DNA, there is a 1:1 ratio of nucleotide bases: number of adenine = ... anine, and cytosine-In DNA, there is a 1:1 ratio of nucleotide bases: number of adenine = number of thymine and number of guanine = number of cytosine-DNA consists of 2 strands in a shape called a dou ...

(3 pages) 63 0 2.0 Feb/2005

Subjects: Science Essays > Genetics & Genome Projects


le sugar)ii. phosphate groupiii. nitrogen baseWhich can be either Adenine (A)Guanine (G)Cytosine (C)Thymine (T)iv. A bonds only with T and C only bonds with G because , :A and G are Purines (double ri ... ings) while C and T are Pyrimidines (single ring). Purines always bond with pyrimidines.Adenine and Thymine have two bonding sites, while Cytosine and Guanine have three bonding sites (for the hydroge ...

(5 pages) 71 0 2.5 Mar/2005

Subjects: Science Essays > Biology

Protein Synthesis

compared to DNA's deoxyribose. Because of this difference, RNA does not bind to the nucleotide base Thymine (T), instead, RNA contains the nucleotide base Uracil (U) in place of T. (RNA also contains ... nucleoplasm pair up with their complimentary bases on the DNA strand. (Except that uracil replaces thymine). The nucleotides form sugar-phosphate bonds with each other and become an mRNA strand but t ...

(3 pages) 48 1 4.0 Apr/2005

Subjects: Science Essays > Biology

James Watson, Francis Crick, Maurice Wilkins and Rosalind Franklin

the two chains are held together by hydrogen bonds between pairs of organic bases--adenine (A) with thymine (T) and guanine (G) with cytosine (C). Modern biotechnology also has its basis in the struct ...

(4 pages) 32 0 5.0 May/2005

Subjects: Science Essays > Biology


h sugar molecule is covalently linked to one of four possible bases, Adenine, Guanine, Cytosine and Thymine. A and G are larger molecules (called purines) and C and T are smaller molecules (called pyr ... e bound to the individual strands following the rules of complementary base pairing: adenine (A) to thymine (T) and guanine (G) to cytosine (C).Two strands of DNA are obtained from one, having produce ...

(1 pages) 56 0 1.0 May/2005

Subjects: Science Essays > Biology

DNA, nucleotides, chromosomes, nitrogen bases and genes: Structures/Funtions of each.

e inside is the four nitrogenous bases. These bases are paired together: Adenine (A) is paired with Thymine (T) and Cytosine (C) is with Guanine (G).Funtion: The sequence of nucleotides in the DNA det ...

(2 pages) 32 0 0.0 Mar/2006

Subjects: Science Essays > Biology

HSC Biology Syllabus - Genetics: The Code Broken? (Option) - All Dot Points Answered

cept that instead of deoxyribose as the sugar, it has ribose. It is single stranded, and instead of thymine, there is uracil. There are 3 forms involved in polypeptide synthesis:mRNA: Messenger RNA ca ... very harmfulE.G. Sickle-Cell Anaemia: A single point mutation causes this disease. In the gene, one thymine base is replaced with an adenine base. This results in glutamic acid being replaced with val ...

(28 pages) 75 0 5.0 Jun/2007

Subjects: Science Essays > Biology

Protein synthesis

is not important which side it joins with as they both contain the same information. As RNA has no thymine the DNA's adenine combines with the RNA's uracil instead the other bases remain the same. We ...

(1 pages) 1113 0 0.0 Feb/2008

Subjects: Science Essays > Biology

Genetic engineering -

ode can be read in the rungs of the ladder. The code is spelled out by four chemicals: adenine (A), thymine (T), guanine (G), and cytosine (C). A pairs with T, and G pairs with C to form the ladder (L ...

(4 pages) 19 0 5.0 Feb/2008

Subjects: Science Essays > Genetics & Genome Projects