Science Archives – Essay Examples

Dna ReplicationDNA replication is a complex cellular function that is necessary in order to sustain life and achieve growth. Many enzymes, proteins, and other molecules work together to ensure that genetic information is replicated efficiently, quickly, and accurately. Without any one of these components, replication would be very limited in its efficacy.DNA is comprised of two strands of complementary nitrogenous bases (adenine thymine, guanine cytosine), five-carbon sugars (either ribose or ...

666 words 4 pages

The Significanceofa Skin Color

When we look at physical characteristics such as skin color from the social definition perspective, there is no clear meaning, but these characteristics do have what is referred to as social meaning. Pierre van den Berghe defined a racial group as a human group that defines itself andor is defined by other groups as different from other groups by virtue of innate and immutable physical characteristics (8). Racial group distinctions are based upon ideological racism, which links physical qualitie...

583 words 4 pages

Evolutionof Bipedal Locomotion

Subject Evolution of Bipedal Locomotion What are we, To the biologist we are members of a sub-species called Homo sapiens sapiens, which represents a division of the species known as Homo sapiens. The most interesting aspect about our species is that we are able to and can walk upright on our hind legs at all times. This is defiantly not the usual way of getting around for a mammal. The view of evolution is to see it as the product of steady environmental pressure exerted on each species, impr...

1939 words 4 pages

Historyand Usesof Criptography

Cryptography is the science of encoding a message into a form that is unreadable and making sure only the proper people are capable of decoding the message back into its original form. This is usually done by using an encryption algorithm and a decryption algorithm (these two are often the same) and very often a secret key. Some of the early cryptographic systems did not use a key but instead kept the algorithm itself secret. The message sender uses the encryption algorithm and the key to encode...

1334 words 4 pages

A Reportonthe Vagina

The vagina is a thin walled-tube, 8 to 10 cm long. It lies between the bladder the rectum extends from the cervix to the body exterior. The urethra is embedded in its anterior wall. Often called the birth canal, the vagina provides a passageway for delivery of an infant for menstrual flow. Since it receives the penis ( semen) during sexual intercourse, it is the female organ of copulation.The highly distensible wall of the vagina wall consists of three coatsAn outer fibroelastic adventitia.A ...

1652 words 4 pages

A Personal Recounton Astronomy

Eyeless If someone would have taken me outside and told me to look at the night sky and tell them what I was thinking, two weeks ago I would have probably said some idiotic remark like, Cool. If they asked me what I thought about space, I probably would have coldly answered, I could care less. I thought that all that space was made of was a huge overabundance of white dots filling the pitch-black sky. The only thing I really liked was the moon because it was the closest thing I could see in spa...

1768 words 4 pages

The Processof Makinga Wrigleys Gum

1. Melting The making of Wrigleys gum begins by melting and purifying the gum base, which comes from small round balls.2. Mixing The melted base is poured into a mixer that can hold up to one ton of ingredients. Sweeteners and flavors are added at just the right moment and from just the right amounts and then slowly mixed.3. Rolling From the mixers, a large "loaf" of gum is sent through a series of rollers that form it into a thin, wide ribbon. Each pair of rollers is set closer together than th...

338 words 4 pages

A Studyof Genetic Engineering

and the betterment of our worldWhat exactly is genetic engineering, A simple definition of genetic engineering is the ability to isolate DNA pieces that contain selected genes of other species(Muench 238). Genetic engineering has been the upcoming field of biology since the early nineteen seventies. The prosperous field has benefits for both the medical and also the agricultural field. The diminishing of diseases, especially congenital disorders, reduction of pollution, eradication of world hung...

1136 words 4 pages

An Analysisof Supplies From Borax

Supplies Borax (from the supermarket or a small box from laundromat) Elmer's Glue-All (White only) Food Coloring (optional) Water One large plastic jar wscrew lid - ala a large peanut butter jar One plain old cup Instructions Step "1" Add together 13 cup Elmer's Glue 13 cup Water Food coloring Shake, stir or mix these ingredients until glue dissolves in water. Step "2" Fill an empty cup with 13 cup of water Slowly pour in 2 tablespoons of borax, allow to settle for a minute Pour off excess wat...

242 words 4 pages

The Benefitsof Testing Human Beings

Usefulness of TestingThere are many benefits that come with testing human beings. First, testing young children allows schools to ensure they are placed in a proper classroom setting based on their age and ability to learn. This is considered mandatory academic testing in order for school officials and parents to assess the ability of children who are just beginning school. Second, people of any age have the freedom to take tests that will allow them the opportunity to reveal certain strengths o...

899 words 4 pages

Structureand Functionof Cells

Cells are composed of oxygen, hydrogen, carbon, and nitrogen, which contain most important organic compounds in a cell are proteins, nucleic acids, lipids, and carbohydrates,Water makes up 60 to 65 percent of the cell.Some cells are complete organisms, as the unicellular bacteria and protozoa others, such as nerve, liver, and muscle cells, are components of multicellular organisms,Cells range in size from the smallest bacteria like mycoplasmas, which are 0.1 micrometer in diameter, to a egg yolk...

3223 words 4 pages

Facts About Antimatter

Everything that we have seen, touched, smelled and tasted is made up of particles called neutrons, electrons, and protons, but we haven't seen, touched, smelled, or tasted everything yet. This report will explain what Antimatter is, where it comes from, and experiments about it. I have chosen Antimatter for my report for two main reasons. The first reason was that I knew nothing about it, and the second was that it sounded interesting. Now I have a greater knowledge, and interest, in Antimatter....

577 words 4 pages

An Analysisofthe Smart Card

1. Technology Requirements of a Smart CardWhat is a Smart Card,Before I outline the technology requirements of the project, I think it is helpful to define what exactly a smart card is. The actual term smart card comes from France. It was during a period of national investment and modernisation in France during the 1970's which led to the development of the Carte a Memoire. This was later renamed by the governments marketing department equivalent (the Intelimatique) as the smart card. Although s...

3345 words 4 pages

The Historyof Eyeglasses

Invention of Eyeglasses Many inventions have changed the way that people all over the world live. One invention that has helped people with bad eyesight is eyeglasses. The eyeglasses help people who are farsighted and nearsighted. Originally, eyeglasses were invented for one person, but grew to helping millions of people all over the world. (Watson 12) When people hear the world eyeglasses, they usually think that the inventor was Benjamin Franklin. Contrary to belief, Benjamin Fr...

1275 words 4 pages

Earth A Geminthe Seaofthe Unknown

In a chapter (Evil from Cosmic Risk) from the book, The Universe is a Green Dragon there are a lot of things presented for us as humans to take in. All of our nuclear wastes and plastics are described as violence striking against the earths surface killing off a different species every twenty minutes (Swimme 73). Why cant we just fit in like all the other animals, They adapted to the cycles of the earth and have been able to preserve it more effectively then humans. They dont pollute the oceans,...

897 words 4 pages