Essays Tagged: "Nucleic acid"


activity, can replicate only within a cell of another host organism. A virus consists of a core of nucleic acid, either RNA or DNA, surrounded by a coating of antigenic protein and sometimes a lipid ...

(7 pages) 130 0 3.8 Oct/1995

Subjects: Humanities Essays > Health & Medicine > Diseases


organisms responsible for human infections are viruses. Viruses are simple life forms consisting of nucleic acid, encoding genetic information, and surface components of protein that enable them to en ...

(3 pages) 54 0 3.0 Jan/1997

Subjects: Humanities Essays > Health & Medicine > Diseases

its about point mutations, actually just a short summary of it, it was used on one of my power point presentations

nucleotides, taken in series of three at a time, specify each amino acid subunit of a protein (see nucleic acid). In a frameshift mutation, a nucleotide is added or deleted to the sequence and the de ...

(1 pages) 91 1 5.0 May/2002

Subjects: Science Essays > Biotechnology

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 issues involved with researching by forensic scientists.

ientists have produced new technology that increases the possibility to find the offender. DNA is a nucleic acid capable of replicating and determining the inheritance of a cell's proteins. In crimina ...

(3 pages) 119 0 3.5 Jul/2003

Subjects: Law & Government Essays > Law

Biology study notes - Proteins, RNA, and Mutations.

e not built directly form genes. The working instructions of the genes are made of molecules of ribonucleic acid, or RNA. RNA, like DNA, is a nucleic acid. It differs from DNA in 3 ways. First, RNA co ...

(2 pages) 85 2 3.5 Sep/2003

Subjects: Science Essays > Biology > Human 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

Speech on different pathogens and the diseases they cause.

xamples of the diseases that these pathogens cause.Prions are infectious agents which do not have a nucleic acid genome. Prion diseases are often called spongiform encephalopathies (mad cows disease) ... amster prion.Viruses are non-cellular (non-living) infectious agents consisting of a single type of nucleic acid (either RNA or DNA) surrounded by a protein coat. Some viruses have an additional layer ...

(2 pages) 114 1 4.4 Dec/2003

Subjects: Science Essays > Biology

"Life Story", which is an essay about the race to find the structure and function of the DNA macromolecule.

closer to life. In 1953, James Watson and Francis Crick presented the structure and function of the nucleic acid DNA, the macromolecule found in living organisms. The final conclusion was not reached ...

(10 pages) 62 0 4.3 Jan/2004

Subjects: Science Essays > Biology

The cell and Neoplasm (cancer)

gh, it is known as rough because it has ribosomes attached to it. Ribosomes are made of protein and nucleic acid and every second in every animal cell one million amino acids are added to growing prot ... The nucleus is the largest structure in the cell and although it is tiny, it contains two metres of nucleic acid wound around proteins called histones, this nucleic acid is made up of DNA and RNA and ...

(8 pages) 43 0 5.0 Mar/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

Anatomy notes on dna and rna- very descriptive

Anatomy--Diagram of Dna-T-nucleobase not in RnaMeischer- nucleic acid, 1st saw Dna, 1868Pauling- Structure of Dna, triple strand.Feulgen- staining dna, whre ... ng strandNirenberg/Khorana-64 codonsCollins-Human genome projectnucleotide(basice building block of nucleic acid)-nucleobase,sugar,phosphate group.Adenine and Guaninie- purine. Double ringsCytosine/Th ...

(2 pages) 32 0 3.5 Oct/2004

Subjects: Science Essays > Genetics & Genome Projects

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


13.11. Structure and function of DNA .a. DNA is a complex biological polymer known as a nucleic acid.b. It is made up of small units called nucleotides.i. Which is composed of deoxyribose ... gle strand of nucleotides (HELIX) while DNA is made up of a double strand (DOUBLE HELIX).RNA is Ribonucleic acid. The sugar molecule is Ribose. In DNA, or deoxyribonucleic acid, the sugar molecule is ...

(5 pages) 71 0 2.5 Mar/2005

Subjects: Science Essays > Biology

Protein Synthesis

Protein Synthesis is the process whereby DNA (deoxyribonucleic acid) codes for the production of essential proteins, such as enzymes and hormones. Proteins ... y DNA located in the nucleus.Protein synthesis is a two-part process that involves a second type of nucleic acid along with DNA. This second type of nucleic acid is RNA, ribonucleic acid. RNA differs ...

(3 pages) 48 1 4.0 Apr/2005

Subjects: Science Essays > Biology

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

DNADNA or deoxyribonucleic acid is where the hertiable genetic information is stored. DNA is a type of nucleic acid and ... mines individual hereditary characteristics.NucleotideA Nucleotide is a monomer (building block) of nucleic acid polymers. Only 4 types of nucleotides can make up DNA.Structure: Each nucleotide has th ...

(2 pages) 32 0 0.0 Mar/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

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

Bacteria Outline

of bacteria 1 micrometer (çm) diameter Chromosomes Membrane bound nucleus w/ chromosomes w/ nucleic acid & proteins No nucleus/chromosomes w/ DNA DNA contained in cytoplasm Cell Division a ...

(5 pages) 35 0 0.0 Feb/2008

Subjects: Science Essays > Biology

Characterization of Nucleic Acids

This paper is an analysis conducted on Nucleic Acids through a variety of tests specifically, Dische, Murexide, Wheeler-Johnson and Phospha ... Dische, Murexide, Wheeler-Johnson and Phosphate Tests in order to exemplify structural features of nucleic acids as well as identify the principle involved in each chemical test. Different procedures ... precipitate was obtained and lastly for Phosphate Test, a yellow precipitate was obtained.Keywords: Nucleic Acids, Dische Test, Murexide Test, Phosphate Test, Wheeler-Johnson Test1. IntroductionThe ex ...

(4 pages) 18 0 4.0 Mar/2008

Subjects: Science Essays > Chemistry