Science & Nature

A laboratory experiment to extract DNA from fruit can garner interest from students as DNA is a frequent topic in the media. The laboratory component in a science curriculum supports information...

The cell is the fundamental unit of life, the simplest thing that can live. Just as all chemicals are made of atoms, all living things are made of cells. There are many different types of cells,...

DNA microarray analysis is a technique for studying the activity of different genes. It is used to study genetic diseases from cancer to mental illness.

The vast applications of electrophoresis are most evident in the health or medical industry, including antibiotic and vaccine analysis. Protein and DNA analysis are also important electrophoresis...

According to wordiq.com, human biology is the study of humans but has relations to medicine and primate biology.

Advancements within the field of genetic engineering have resulted in new methods of farming and breeding. One such method involves the cultivation of plants and animals that have preferred...

Human cloning is the process by which DNA is used to make a copy of a single cell or, ultimately, an entire human being. Although the ramifications for human cloning are numerous, scientific...

Using modern genotyping methods, scientists affect not only the field of medicine, but also law enforcement and custody cases. Genotyping methods grew out of the identification of DNA in the...

Recombinant DNA, or rDNA, is the science behind transgenic animals, insect-resistant crops, artificial insulin and other "mutant" or genetically modified organisms, also known as GMOs. The rDNA...

Constructing a DNA double helix model is a fun and interesting project, and a visual method to help students understand a very complex structure. It can serve as a traditional science or class...

DNA testing is the process of using DNA to assist in the identification of individuals. While 99.9 percent of human DNA sequences are the same, scientists are able to use repeat sequences in the...

There are a number of beneficial reasons for human cloning. Both medical and philosophical issues permeate the debate regarding this controversial subject. However, many proponents of human...

Building a DNA model can be as simple as using some licorice, marshmallows and string. Making a candy DNA model is a great way to visually understand the double helix, and a way to make the...

Deoxyribonucleic acid, or DNA, is a long and complex molecule but a stable one, held together by covalent bonds--the sharing of electrons between atoms to form a stable whole.

Building a three-dimensional DNA model can be an educational and fun experience for people of all ages. Not only can it be used for school science projects or classroom presentations, but it will...

The two main types of nucleic acid are deoxyribonucleic acid (DNA) and ribonucleic acid (RNA). They store and convey the genetic code of a cell. Messenger RNA (mRNA) is built from a gene of DNA...

All human beings began from the combination of an egg and a sperm cell. As gametes, sperm have a design unlike other cells in the body. The components of sperm enable it to fulfill its purpose of...

For this visualization technique, ethidium bromide is mixed with agarose powder, EDTA buffer and water to form the gel matrix before electrophoresis. As a result, the ethidium bromide molecules...

Essentially, DNA is the blueprint for our hereditary and genetic makeup. Found in each cell in the human body, each person's DNA is entirely unique to his genetics. With such an important and...

The process of DNA isolation and analysis uses a variety of techniques to identify genetic components. Developed over the course of the late 20th century, DNA testing can be used for a number of...

Legos, the definitive children's building blocks, are an apropos way to model the building block of organic matter, deoxyribonucleic acid, more commonly known by its abbreviation, DNA. The process...

While DNA is contained within most cells of living organisms, getting it out and examining it is a complex process. All DNA is made from four different bases, known by their abbreviations A, T, C...

When the discoverers of DNA announced their research findings in 1957, they probably never envisioned the lengths to which teachers would go to get kids enthused about science. Maybe you were...

The cell is the smallest living unit. While all living things contain at least one cell, higher organisms contain a multitude of these components. In the human body, for example, there are around...

The two natural types of nucleic acids are deoxyribonucleic acid (DNA) and ribonucleic acid (RNA). In animals, DNA forms a double helix while RNA is single-stranded. DNA and RNA also differ in...

Nucleic acids, more commonly known as DNA and RNA, are the genetic information banks of the cell. They are involved in repair processes and in the reproduction processes of a cell. The codes...

A thorough understanding of DNA structure is crucial to modern biology students. While textbook diagrams are ubiquitous, many people are better able to conceptualize such a three-dimensional...

While people usually think of cloning as the creation of genetically identical organisms, cloning actually has a broader definition. Cloning refers to various ways of making copies of genetic...

Cloning refers to making duplicate biological material. Different kinds of cloning processes have different aims, though many people only know about reproductive cloning, or creating a twin by...

Recombinant means "recombined," a term most often used to describe DNA that is created from genetic parts of different organisms and combined to create new DNA. It is also known as synthetic DNA...

The scientific kingdom Monera is made up of one-celled organisms that most of us refer to as bacteria. Bacteria are the most plentiful and widespread organism on Earth, and the oldest. They are...

Cell functioning plays an essential role in the overall health of the body. Everyday exposures to UV rays from the sun, and natural sources of radiation exert continual stress on cellular...

The human body is made up of millions of cells that work to maintain the body's overall system and function. Each cell, in turn, has its own set of processes designed to carry out necessary cell...

In animals, the cell nucleus is one of two locations in which genetic code is stored, the other being the mitochondria. The nucleus is a haven for DNA, where several mechanisms preserve its...

There are two main types of nucleic acid: deoxyribonucleic acid (DNA) and ribonucleic acid (RNA). They differ by number of strands, by amino acids, by sugars and by use.

All cells must divide to reproduce. In large, complex organisms, such as mammals, cells divide and die in a cycle that keeps the tissues of the organism rejuvenated. The process is called the cell...

DNA fingerprinting receives its name from the traditional pratice of indentifying people based on their fingerprints. Instead of fingersprints, DNA fingerprinting examines the protein-based code...

The human papillomavirus (HPV) is the virus responsible for genital warts. HPV can affect men or women, but the virus is a concern mostly for women. Certain strains of HPV can cause cervical...

In criminal cases, DNA fingerprinting is used to link DNA evidence with a particular person. DNA is essentially a blueprint of our genetic information contained within our cells. Even skin cells...

Deoxyribonucleic acid (DNA) is the structure in the cells that contain the genes for protein synthesis. DNA holds the code that is necessary for life. All cells contain DNA. Some viruses contain...

The DNA fingerprinting is a laboratory analysis used for creating a "DNA profile" of an individual. According to the U.S. Department of Education's Human Genome Program, "there is an extremely...

Clones are cells or organisms that have the same genes as another organism. The two types of cloning we hear about most often are reproductive cloning and therapeutic cloning.

Telomerase is a biological catalyst, or enzyme, responsible for the synthesis of specialized regions of the chromosomes of many organisms called telomeres. They are present in all organisms with...

Gel electrophoresis is used in biology and can be used to separate DNA molecules according to size. A tray of gel with buffering solution is connected to an electric current which attracts the...

DNA fingerprinting can determine a child's father or identify suspects from crime scene samples. Because 99.9 percent of human DNA is identical, it is the variations in DNA that are analyzed.

A bacteriophage is a small virus that infects bacteria. Bacteriophages attach to bacteria cell walls and inject the microbe's DNA into the cell. Using the DNA mechanisms, a bacteriophage is able...

DNA testing is used for personal reasons, police matters and court rulings. Most DNA testing is done to prove the identity of a person as a relative, parent or in genetic testing. Law enforcement...

Extracting genetic material from plants has become an important part of modern mechanized agriculture. By extracting and modifying DNA, genetically modified plant species can be produced that are...

Building a DNA model is not only an enjoyable classroom project, but it can also prove to be an invaluable reference for demonstrating the double helix structure of DNA and serving as an excellent...

Deoxyribonucleic acid, or DNA, is the building block of organisms, so it's no surprise it would be an important part of scientific understanding. A helpful way to better understand the nature of...