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DNA is the information needed by a cell in order to reproduce an
identical offspring. In some crimes detectives have no evidence or fingerprints
to tell who had committed a crime. Now there is a way of finding who has
committed the crime by a method called DNA Typing. DNA Typing is finding
bacteria or blood on clothing or skin and amplifying the gene. This process was
pioneered in the 1980's by a Scientist named Alec Jeffreys.
If blood, sperm, or any other human cells are left at the scene of a
crime, the DNA in the cells can be analyzed and compared with some DNA taken
from the suspect's blood. If they match, this information and testimony of a
scientist can be used to convict a rapist or murderer.
In the O.J. Simpson case DNA Typing was used. There was blood found
on various areas at the crime scene. The investigators ...
Homeostasis is essential to the cell?s survival. The cell membrane is responsible for homeostasis. The membrane has a selective permeability which means what moves in and out of the cell is regulated. Amino acids, sugars, oxygen, sodium, and potassium are examples of substances that enter the cell. Waste products and carbon dioxide are removed...
You are watching the control panels and gages for rector two. Sitting comely you think about how easy your job is. It is a joke! All day you sit around and watch the gages for reactor number two just to make sure they maintain their settings. You don't even need to look at the gages either because a computer automatically regulates them without you...
As seen in observation and analysis; my hypothesis was proved to be correct and density does increase if the sugar concentration is increased. The data in the table and the strong linear relationship on the graph shows that grams per each millilitre increase as the ratio of sugar to water increases in the solution. In this experiment the margin fo...
Planet Name and Position: , 6[th] planet from the sun Terrestrial, Gas Giant, Dwarf planet?: Gas Giant Equatorial Diameter: 120,500km Mass: 9.4 Surface Gravity: 8.96m/s^2 Density: 687 kg/m^3 # of moons: 60 Significant Moons: Titan Axial Tilt: 26 degrees Distance from Sun: 9.6 Distance from Sun (km): 1434000000 Revolution: 29 years Orbital Speed: 6...
DNA is the information needed by a cell in order to reproduce an identical offspring. In some crimes detectives have no evidence or fingerprints to tell who had committed a crime. Now there is a way of finding who has committed the crime by a method called DNA Typing. DNA Typing is finding bacteria or blood on clothing or skin and amplifying the...
If asked what light is, one could say that it's one of the most basic elements of our world and our universe as we perceive it. It is through sight that we receive 90% of our information. It is through the use of telescopes aiding the naked eye that we are aware of the heavenly bodies around us. It is through light that the energy from the sun is t...
In , particles ionize gas atoms. The tube contains a gas at low pressure. At one end of the tube is a very thin 'window' through which charged particles or gamma rays pass. Inside the tube is a copper cylinder with a negative charge. A rigid wire with a positive charge runs down the center of this cylinder. The voltage across the wire and cyli...
Introduction Ordinary matter has negatively charged electrons circling a positively charged nuclei. has positively charged electrons - positrons - orbiting a nuclei with a negative charge - anti-protons. Only anti-protons and positrons are able to be produced at this time, but scientists in Switzerland have begun a series of experiments which the...
In the United States, the media has a tendency to report only the negative details of everything. Such was the case in the late 1960's and early 1970's when the pesticide DDT was investigated and eventually prohibited. Most of the claims against DDT remain unproved to this day. There were three main allegations against DDT: that DDT caused the de...
Everyone knows about the five senses. Taste: the sense that allows us to enjoy an essential part of life, eating. Hearing: the sense that enables us to carry a conversation with each other. Sight: without this we not be able to do things we take for granted, like driving for instance. Touch: this detects pain and prevents us from injuring oursel...
is one of the most fundamental biological processes. To start off, a protein is made in a ribosome. There are many cellular mechanisms involved with . Before the process of can be described, a person must know what proteins are made out of. There are four basic levels of protein organization. The first is primary structure, followed by second...
Proteins are the macromolecules that are responsible for most of the bodily functions. By investigating an individual protein, one can be able to understand the functions and structure of an organism. Before this can be done, protein has to be separated from cell components. Using the methods of centrifugation and gel electrophoresis, not only a...
' work on planetary motion stood an a very high mathematical level for his times. His theory explained how all the celestial bodies move around the Sun. It took Nicolaus 30 years of mathematical research to form a theory about planetary motion. The three most popular instruments which used were quadrant, armilla, and triquetrum. All furnish so...
I feel like that the only way to truly fathom just how vast the universe is, or to successfully describe the insane enormity of it, is to illustrate just how small and insignificant humanity is. After all, everything we ever do, say, or experience is merely measured against the yardstick of human endeavor. In this universe, there are supposedly 100...
