Articles related to "What Is A Nucleotide"

This collection of articles explores the components and function of deoxyribonucleic acid (DNA), ribonucleic acid (RNA) and the cellular energy carrier ATP.

A mutation is a rare change in a gene's DNA sequence that can result in a defective cellular protein. This article covers the basics of genetic mutation.

It is important for biology students who study DNA to understand the function and structure of this important molecule in the cell.

What are deoxyribonucleic and ribonucleic acid made of, and how are these big molecules of genetic information built? This article explains the basics.

What kind of molecules are nucleotides and nucleic acids and what are they made of? This article covers the basics.

There are a growing number of genetic diseases that would seem to have very little in common, yet they share in some unusual molecular changes.

Single nucleotide polymorphisms are minor alterations in the genetic code, but they can result in very important downstream effects on protein function and expression.

Single nucleotide variations that are routinely found in the human genome DNA sequence can be used to identify regions important to understanding diseases.

Adenosine triphosphate is a power-packed nucleotide that cells of our body just can't live without. Here's a clear summary of what ATP is, how it works and how it's made.

Looking at the structure of the DNA molecule, from the nucleotides that make up DNA, to the discovery of the double helix structure.

The result of these genetic mistakes can range from no effect on the organism to the production a defective cellular protein that may have disastrous implications.

Prior to cell division, a new copy of DNA must be built. And in order for our cells to make proteins, RNA must be created from the DNA template. How is this accomplished?

Nucleic acids, such as deoxyribonucleic acid (DNA) and ribonucleic acid (RNA) are the vital genetic blueprints, messengers and builders of the cellular world.

RNA, ribonucleic acid, is the genetic material that transcribes DNA's instructions and translates instruction into construction of protein.

DNA damage and mismatched nucleotides introduced during replication are recognized and removed by the cell machinery.

Also called DNA fingerprinting, this type of genetic testing compares segments of DNA by using special proteins called restriction enzymes to cut up the DNA molecule.

A common misconception is that ATP can be used to determine the direction of a reaction. ATP is used to make activated intermediates that are macromolecular precursors.

DNA paternity testing makes it possible to, with a very high degree of certainty, determine the identity of a child's biological father. Here's how.

Techniques that allowed for the rapid determination of the order of the nucleotide bases in a molecule of DNA started a new era in scientific research.

Theories about the first life forms tend to agree on what had to happen, but differ in their explanations of where and how. There are three strong contenders.

Deoxyribonucleic acid (DNA), the key component of living cells, is presented here in an overview.

When is DNA considered a chromosome? What is a sister chromatid and how does it differ from a chromosome? The article unravels some of the lingo of DNA.

Twelve genetic variants, also called single nucleotide polymorphisms, known as risk factors of prostate cancer, have also been analyzed in ovarian and breast cancers.

A recent study found that men who took folate supplements (vitamin B9) were about three times more likely to get prostate cancer.

A recent Canadian study suggests that while some changes in gene activity can be reversed by stopping smoking, other changes are irreversible.

Muscular dystrophies include a number of disorders that damage skeletal muscles, leading to a loss of strength, muscle wasting, and disabilities.

Genetic technology is used to investigate paternity. By employing an electrical current to separate DNA fragments, the genetic similarity of individuals can be assessed.

A nick in the DNA strand is known as a chromosomal break. Cells have repair mechanisms for both single strand and double strand breaks.

Anti-viral agents inhibit viral replication rather than eliminating viral particles already present.

What is the difference between an organic and an inorganic molecule? What substances are within the realm of organic chemistry? Read on and discover.

What is DNA fingerprinting and how does this type of genetic evidence factor into criminal retrials and verdict reversals?

Rapid advances in gene scanning technology have identified genes linked to cancer, arthritis, diabetes and many other diseases.

New study demonstrates that genes recognize other genes that have similar base pair sequences, a discovery that can help us understand DNA repair and genetic diversity.

Here are links to free worksheets that can help science educators assess students' understanding of cell division, DNA transcription and translation.

Genetics is the branch of science concerned with heredity in organisms, such as humans. What are genes, DNA, chromosomes and proteins - and where are they stored?

What are the different kinds of lipids? What is the difference between saturated and unsaturated fats? Read on and discover.

Genome sequencing is a way to determine the exact order of all the nucleotide bases, A, T, G and C, in a string of DNA using the BAC and Shotgun Sequencing Methods.

SDS-PAGE is a refined modern research tool, invaluable for forensics, medicine, biology. PAGE and PCR have dramatically advanced scientific inquiries of DNA and proteins.

Capillary electrophoresis is a rapid, sensitive, and accurate way to identify small amounts of many important compounds. The technique resembles a mini-hybrid PAGE-HPLC.

This article series provides information of how mitotic and meiotic cell division differ and how these processes are integral to the human life cycle.

The addiction pathway may play a role in fat deposition and having a larger waist circumference.

Mitochondrial DNA is inherited only from the mother, and is present in higher abundance than the nuclear genome, making this molecule useful in genetics studies.

When a cell requires more of a specific protein, messenger RNA is made from the gene for that protein and during translation the information is converted to new protein.

Besides mediating between the DNA and proteins, RNA has a function in regulating the levels of proteins in the cell. This regulation is critical for the cell's behavior.

The purification and crystallization of ribosomes clarified how structure is related to function and how ribosomes account for the law and order of protein synthesis.

This article provides an introduction to genetics, a relatively new field of science that has made its way into many areas of study.

All cells need energy to function. Adenosine triphosphate, created using food or sunlight, is the molecule that cells use to store that energy for future use.

Living things can be studied and classified based on their genome as well as the protein products derived from those genetic instructions.

We hear the word used all the time, read diet books on how to boost ours and lament its slowing as we age. But what exactly is metabolism?

Electrophoresis is an outstanding applied and basic research method with several useful variations. Electrophoresis is used for many important studies in the sciences.