Essays Tagged: "nucleic acids"

Mononucleus - Bacteria

cell cling to surfaces.A typical bacterium is about 2 micrometers long. Inside the cell, there are nucleic acids, enzymes, and other substances necessary to carry out the cells life process.Bacterium ... also a protective coat of protein or of protein combined with lipid or carbohydrate components. The nucleic acid is usually a single molecule, either singly or doubly stranded. Some viruses, however, ...

(6 pages) 90 0 4.0 Dec/1996

Subjects: Science Essays > Biology

Nucleic Acids and Protein Synthesis; Outline

Outline on Iportant subjects in DNA and RNA -Nucleic Acids and Protein Synthesis7-1 DNACells 'know' how to how to produce ATP, how to build cilia ... of information is passed to another, it is called transformation.The Transforming FactorDNA is the nucleic acid that stores and transmits the genetic information fromone generation of an organism to ... f nucleotides. The first step in decoding that message is to copypart of the sequence into RNA (ribonucleic acid). RNA is the nucleic acid that actsas a messenger between DNA and the ribosomes and car ...

(6 pages) 89 0 4.3 Dec/1996

Subjects: Science Essays > Genetics & Genome Projects


DNA are nucleic acids that are made up of long units of called nucleotides. A nucleotide consists of three p ...

(5 pages) 204 3 4.8 Feb/2003

Subjects: Science Essays > Genetics & Genome Projects

DNA Microarray Technology. Basics of the DNA chips. Applications of DNA chips.

DNA MICROARRAY TECHNOLOGYOne of the most exciting nucleic acid analysis techniques is microarrays or DNA chips. They provide a radically different app ... o a solid surface approximately 1,2 x 1,2 cm. The microarray technique is based on hybridization of nucleic acids. Sequence complementarity provides the hybridization between two single-stranded nucle ... terns, however there are important differences between them. They differ in the size of the arrayed nucleic acids.In cDNA microarrays, long DNA molecules are immobilized by high-speed robots on a soli ...

(6 pages) 98 0 5.0 Mar/2003

Subjects: Science Essays > Genetics & Genome Projects

The structure of the nucleic acids DNA and RNA.

A)Briefly describe the structure of the nucleic acids DNA and RNA. (6)B)How do their differences in structure suit the different roles in wh ...

(3 pages) 106 0 0.0 Apr/2003

Subjects: Science Essays > Biology

Translation and Protein Synthesis- the role of various RNA and the process of synthesis

er the body links genotype to phenotype in the resulting organism. The individual types of RNA (ribonucleic acid) each play their own very important role in going from DNA coding to the final release ... chain. Translation itself is the process that makes the distinct change from the information in the nucleic acids to those in amino acids. In essence, the hereditary instructions for building proteins ...

(3 pages) 52 0 5.0 Nov/2003

Subjects: Science Essays > Biology

Explanations of the major elements: oxygen, carbon, hydrogen, nitrogen, calcium, phosphorus, magnesium, potassium, sulfur, sodium, chlorine, iron and zinc.

l niche that allows it to readily form large and complex molecules such as proteins, carbohydrates, nucleic acids and ultimately DNA. These compounds are the building blocks of life. Although the huma ...

(6 pages) 74 2 4.2 Dec/2003

Subjects: Science Essays

The Nitrogen Cycle

Nitrogen is an essential component of amino acids and nucleic acids, which are the building blocks of all living things. Nitrogen makes up most of the atm ... rifying bacteria convert NO3- back to N2.From the NH4+ or NO3- absorbed plants make amino acids and nucleic acids. When animals eat the plants or other animals, they, in turn, obtain a form of nitroge ...

(2 pages) 42 0 4.0 Feb/2004

Subjects: Science Essays > Biology

The importance of the manganese in the human body

lycosyltransferases. And also, it is important in the structure and breakdown series of protein and nucleic acids, and for the RNA chain beginning.Moreover, an enough daily intake of manganese is 2 to ...

(1 pages) 23 0 3.0 Mar/2004

Subjects: Science Essays > Biology > Human Biology

"Scientific Creationism"- It is an argument going for the theory of scientific creationism.

nisms that have evolved new genetic codes; the DNA remains the same.There is the following problem. Nucleic acids (DNA and RNA) and protein can be synthesized in the cell; however, this is an extremel ... ithin a cell, there is such a relationship that, while protein can be formed under the direction of nucleic acids, it so happens that nucleic acids cannot be formed unless protein (enzymes) exists. Ye ...

(2 pages) 77 2 3.3 Mar/2004

Subjects: Social Science Essays > Anthropology

This describes the Nitrogen Cycle.

y living organisms to produce a number of complex organic molecules like amino acids, proteins, and nucleic acids. The largest store of nitrogen is found in the atmosphere where it exists as a gas (ma ...

(3 pages) 52 0 3.7 Apr/2004

Subjects: Science Essays > Biology

Biosensor What is a Biosensor?

for use in the context of a sensor incorporating a biological element such as an enzyme, antibody, nucleic acid, microorganism or cell. For the purposes of this tutorial, a biosensor will be defined ... terial or a biomimic (e.g. tissue, microorganisms, organelles, cell receptors, enzymes, antibodies, nucleic acids etc.), intimately associated with or integrated within a physicochemical transducer or ...

(3 pages) 28 0 5.0 May/2004

Subjects: Science Essays > Biology

Biosensors combine

for use in the context of a sensor incorporating a biological element such as an enzyme, antibody, nucleic acid, microorganism or cell. For the purposes of this tutorial, a biosensor will be defined ... terial or a biomimic (e.g. tissue, microorganisms, organelles, cell receptors, enzymes, antibodies, nucleic acids etc.), intimately associated with or integrated within a physicochemical transducer or ...

(3 pages) 24 0 5.0 Nov/2004

Subjects: Science Essays > Biology

Nitrogen Fixing Bacteria

important than nitrogen, which is required in large amounts as an essential component of proteins, nucleic acids and other cellular constituents. There is an abundant supply of nitrogen in the earth' ... nic molecule. Most of our nitrogen supply comes from proteins in the diet, with a small amount from nucleic acids. During digestion, proteins are broken down to amino acids, before being absorbed into ...

(4 pages) 24 0 4.0 Apr/2006

Subjects: Science Essays > Biology

True Nature Of Prions

mined hypothesis that the infectious agent causing these diseases consists only of protein, with no nucleic acid genome (all previously known pathogens, such as bacteria and viruses, contain nucleic a ... terial, the scientists first subjected a prion sample to enormous amounts of ultraviolet radiation. Nucleic acids are relatively fragile molecules, and ultraviolet light easily breaks some of the bond ...

(5 pages) 11 0 0.0 Nov/2001

Subjects: Science Essays > Biology

Unknown Chemical Lab

nown chemical.Background: There are numerous organic chemical groups. The ones we are studying are, Nucleic Acids, Carbohydrates, proteins, and lipids. Beginning with carbohydrates, carbon, hydrogen, ... e polysaccharide, monosaccharide, and disaccharide. The elements that are found in the molecules of Nucleic Acids are hydrogen, nitrogen, phosphorus, nitrogen, and oxygen. Nucleic acdis have two froms ...

(3 pages) 13 0 0.0 Nov/2001

Subjects: Science Essays > Chemistry

Viruses in general: Infectious Mononucleosis

they infect a host or carrier cell. A virus particle, or virion, consists of the following things; Nucleic acid which is a set of genetic instructions, either DNA or RNA, either single-stranded or do ... contain a protein coat around the virus which is made of protein subunits they protect the enclosed nucleic acids when the virus is not contained within a host cells (wiki#1). Often times the protein ...

(9 pages) 28 0 5.0 Sep/2007

Subjects: Science Essays > Biology

Antiviral Drugs

viruses to replicate inside cells.Viral genomics, in which deciphers the sequence of "letters," or nucleic acids, in a virus's genetic "text." This sequence includes the letters in all the virus's ge ...

(6 pages) 18 0 0.0 Feb/2008

Subjects: Science Essays > Biology

History and Discovery of DNA

DNA is the common name for Deoxyribonucleic acid. This is made up of nucleic acids containing deoxyribose (sugar), consisting of complex ...

(4 pages) 28 0 5.0 Jul/2008

Subjects: Science Essays > Genetics & Genome Projects

Nucleic Acids - An Introduction

, and named this material "nuclein". A few years later, Miescher separated nuclein into protein and nucleic acid components. In the 1920's nucleic acids were found to be major components of chromosome ... ts of chromosomes, small gene-carrying bodies in the nuclei of complex cells. Elemental analysis of nucleic acids showed the presence of phosphorus, in addition to the usual C, H, N & O. Unlike pr ...

(3 pages) 22 0 3.0 Jan/2009

Subjects: Science Essays > Biochemistry