Essays Tagged: "RNA"

DNA

acLeod, and Maclyn McCartyconcluded that DNA was the basic genetic component of chromosomes. Later, RNA would be proven toregulate protein synthesis. (Miller, 139)DNA is the genetic material found in ... erial found in most viruses and in all cellular organisms. Some viruses do not haveDNA, but contain RNA instead. Depending on the organism, most DNA is found within a single chromosomelike bacteria, o ...

(5 pages) 194 0 4.0 Jan/1996

Subjects: Science Essays > Genetics & Genome Projects

Aids

of AIDS -- called also AIDS virus, human immunodeficiency virus. A retrovirus is any of a group of RNA-containing viruses (as HIV) that produce reverse transcriptase by means of which DNA is produced ... g viruses (as HIV) that produce reverse transcriptase by means of which DNA is produced using their RNA as a template and incorporated into the genome of infected cells and that include numerous tumor ...

(3 pages) 101 0 4.1 Mar/2002

Subjects: Humanities Essays > Health & Medicine > Diseases

Acquired Immune Difficiency Syndrome (AIDS)

The AIDS virus turned outto be a very unusual sort of virus. Its genetic material was not DNA, but RNA. When itinfected human cells, it had its RNA direct the synthesis of viral DNA. While RNAviruses ... it had its RNA direct the synthesis of viral DNA. While RNAviruses are not that uncommon, very few RNA viruses reproduce by setting up the flowof information from RNA to DNA. Such reverse or 'retro' ...

(3 pages) 29 0 3.7 Apr/1996

Subjects: Humanities Essays > Health & Medicine > Diseases

Viruses

embraneous envelope. The nucleic acid core is composed ofeither DNA or in the case of retroviruses, RNA, but never both. Inretroviruses, the RNA gets transcribed to DNA bye the enzyme reversetranscrip ...

(3 pages) 85 0 4.6 Apr/1996

Subjects: Science Essays > Biology

Viral Engineering.

Now the difference between polio and most other organisms is that its genetic makeup is composed of RNA as opposed to DNA. Since RNA can't be synthetically created in a lab the researchers needed to t ... d to DNA. Since RNA can't be synthetically created in a lab the researchers needed to translate the RNA base sequence into DNA (which can be synthetically made in a lab). With this DNA product the sci ...

(5 pages) 38 0 4.0 May/2003

Subjects: Science Essays > Biotechnology

Genes and genetic engineering.

erate transfer of single genes between organisms. Genes are the stretches of DNA -- or occasionally RNA -- that carry information about the structure and function of all organisms.Genetic engineering ...

(6 pages) 111 0 5.0 Sep/2003

Subjects: Science Essays > Genetics & Genome Projects

Biology study notes - Proteins, RNA, and Mutations.

tly 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 consists of a singl ... ts of a single strand of nucleotides instead of the two strands that form the double helix. Second, RNA contains the five-carbon sugar ribose rather than the sugar deoxyribose. And third, RNA has a ni ...

(2 pages) 85 2 3.5 Sep/2003

Subjects: Science Essays > Biology > Human Biology

What is HIV

as a capsid. The membrane is filled with glycoproteins. Inside the capsid there are two strands of RNA, which are identical in every way. The RNA is what stores the information to infect the HIV viru ... ne system. When the virus infects a cell the reverse transriptase duplicates the information in the RNA and makes complementary strands. HIV attacks your white blood cells. It attaches itself to the w ...

(2 pages) 71 3 3.7 Feb/2004

Subjects: Science Essays > Biology

Essay on Replication

s replace wrongly placed nucleotides. This prevents mutations in DNA.DNA cannot begin the strand so RNA primase is used to do about the first ten nucleotides. This beginning is called a primer and is ...

(1 pages) 26 0 3.7 Apr/2004

Subjects: Science Essays > Biology

Who owns DNA, and how it can be patented

en the central dogma of molecular biology is established, the concept of that DNA is transcribed to RNA then RNA can be translated to proteins, which can regulate and have functions in our body is wel ... nes was first established by work in bacteria it soon became evident that transcription of DNA into RNA and translation of RNA into protein occurred simultaneously (Brenner et al., 1961; Imamoto and I ...

(14 pages) 131 1 4.9 May/2004

Subjects: Science Essays > Genetics & Genome Projects

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- staini ... hymine- pyrimidine-single ringsAdenine/thymine/cytosine/guanine -DNAAdening/uracil/cytosine/guanine-RNADna - negative charge, 2nm wide, 10 base pairs. 1mm-1,000,000 nm, 1mm-500.000 DNA46 chromosomesco ... charge, 2nm wide, 10 base pairs. 1mm-1,000,000 nm, 1mm-500.000 DNA46 chromosomescodon - 3 basesDna,Rna- tells cell what to do, enzymes to make, reproduce.Dna- in the genes of the chromosomes in the n ...

(2 pages) 32 0 3.5 Oct/2004

Subjects: Science Essays > Genetics & Genome Projects

Animal Cells

that contains and surrounds the other cell contents. Nucleolus is a small region that is made up of RNA and protiens, it also produces ribosomes. Mitochondria burns food molecules to release energy. T ...

(2 pages) 28 0 4.0 Nov/2004

Subjects: Science Essays > Biology

DNA (Deoxyribonucleic acid)

acLeod, and Maclyn McCarty concludedthat DNA was the basic genetic component of chromosomes. Later, RNA would beproven to regulate protein synthesis. (Miller, 139)DNA is the genetic material found in ... erial found in most viruses and in all cellular organisms.Some viruses do not have DNA, but contain RNA instead. Depending on the organism,most DNA is found within a single chromosome like bacteria, o ...

(2 pages) 85 1 2.3 Dec/2004

Subjects: Science Essays

Protein Synthesis

ess that involves a second type of nucleic acid along with DNA. This second type of nucleic acid is RNA, ribonucleic acid. RNA differs from DNA in three main respects. First, the sugar units in RNA ar ... st, the sugar units in RNA are ribose as 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 Urac ...

(3 pages) 48 1 4.0 Apr/2005

Subjects: Science Essays > Biology

Metabolism.

ate at which your body operates to carry out all its bodily functions, like the production of heat, RNA, hair, bones, etc. and the breaking down of food and storage fat. Metabolism can be grouped into ... cells, while catabolism on the other hand, refers to the production of energy required for all external and internal activity. It is also responsible for the regulation of body temperature and the br ...

(7 pages) 105 0 4.3 Aug/2005

Subjects: Science Essays > Biology > Human Biology

Virus

t organisms on the planet. They have a basic design, which consists of a protein capsule containing RNA or DNA (Many viruses carry there genetic information in RNA instead of DNA). This is an example ... rus must first attach itself to the host cell. Then it penetrates the cell and fills it with DNA or RNA and therefore takes control of the cell. Then the genetic material must be uncoated to make it a ...

(4 pages) 47 0 0.0 Apr/2006

Subjects: Science Essays > Biology

Hepatitis C

lutionized the way patients with liver disease were treated. The genetic material of hepatitis C is RNA, which encodes a large protein that is processed in infected host cells into smaller structural ... dy test but are also more expensive. Another test called the PCR a small section of the gene of HCV RNA is enlarged to measurable level in the blood. The strand is then pulled by an electric current t ...

(2 pages) 16 0 0.0 Nov/2001

Subjects: Humanities Essays > Health & Medicine > Diseases

Effects Of Ebola Virus On Humans

anges from 800 to 1000 nanometers (one-billionth of a meter) in length and is made up of strands of RNA. The RNA is held in an envelope that was created by a host cell which is covered with spikes (ww ... ain, diarrhea, pharyngitis, conjunctivitis, bleeding from openings in the body, obliteration of internal tissue, exhaustion, blindness and death. The time from exposure of the diseases is about three ...

(3 pages) 16 0 0.0 Nov/2001

Subjects: Humanities Essays > Health & Medicine > Diseases

Human Evolution

st and present forms of life are, or were composed of a combination of those building blocks called RNA or DNA. In the very beginning of life on Earth, the genetic structure was very simple, but as ti ...

(12 pages) 86 0 3.0 Oct/2007

Subjects: Science Essays > Biology > Charles Darwin

Cancer 2

time.The original genetic information, stored in a coded form DNA, is carried out of the nucleus by RNA and then translated into proteins by ribosomes. 70% of oncogenes are located in the weak points ...

(4 pages) 11 0 0.0 Feb/2008

Subjects: Humanities Essays > Health & Medicine > Diseases