Focal length

DNA (deoxyribonucleic acid) is the genetic material that carries the genetic instructions being used in growth, development and reproduction of all living things. DNA has regions called genetic polymorphisms that are used to determine paternity/maternity, kinship, determination of human remains, and inherited diseases. DNA is an example of what forensic use for evidence in a crime. Using regions in the DNA you can determine a “fingerprint” for an individual that can help in a crime, with this…

unrelated entities share the same genetic code. DNA fingerprinting is consists of many common procedures: RFLP (Restriction Fragment Length Polymorphism) utilizes special restriction enzymes to cut portions of the extracted DNA and focuses on repeating sequences of the DNA bases that differs from each individual. Electrophoresis separates the DNA and measures the portions by length. Autoradiography produces an x-ray of the results after the portions are sorted. The scientists then determine the…

Discussion When comparing the banding patterns of the crime scene to those of the suspects, the resulting gel indicates that Suspect 2 was at the scene of the crime. Although enzyme 1 produced identical DNA fragments across the gel, enzyme 2 did not. This is evident in lane D and possibly indicates that this enzyme was unable to bind to recognition sites similar to the crime scene DNA in well B. Thus, it produced a DNA fragment smaller in size that travelled further. Since the DNA evidence in…

other forensic identification processes because it remains the same overtime, unlike fingerprints and has a higher accuracy than biometric iris scanners. The first methods used for DNA profiling for finding out genetics involved restriction fragment length polymorphism (RFLP) analysis. The method involves DNA to be collected from cells and cut into small pieces using a restriction enzyme. This generates thousands of DNA fragments of differing sizes and then separated on the basis of size using…

Biotechnology plays a vital role in today’s society. According to Webster, biotechnology is the manipulation of living organisms or their components to produce useful, usually commercial products. Biotechnologies can vary in applications and complexity, but they all have the ability to change our society and help us prepare for and meet some of the world’s most pressing challenges today. In the history of uses of biotechnology, it has been known to help provide a more reliable food source,…

placing the lenses about 5 cm in front of the light the focal distances were found to be 14 cm for the converging lens and -5.5cm for the diverging lens. These focal distances theoretically make since because the converging lens causes the light rays to combine in front of the lens making it positive and the diverging lens causes the rays to spread apart after crossing through the lens making the focal point behind the lens and the focal length be negative. The incoming rays are the rays the…

talk only the components that allow images to form on the retina. In general, the ciliary muscle can relax or contract to adjust the focal length of the lens. When the muscle is contracted, the curvature of the lens increases, thereby decreasing the focal length of the lens. When the muscle is not contracted, the curvature of the lens is decreased and the focal length of the lens is extended (Cutnell and Johnson 2012). This is how people are able to focus on objects at various distances away.…

was to examine the focal lengths of various thick lenses, spherical aberration, and 1D magnification. First, we observe that the focal length does not seem to change when we move the lens closer and farther away from the box. Then, we find that the light rays converge after passing through the bi-convex and plano-convex lens and diverge after passing through the bi-concave lens. Therefore, the focal length of the bi-concave lens is negative. We also observe that the focal length of the…

real focal point. The size and thickness of convex lens alter the focal length. So the fatter the lens, the shorter the focal length. The focal length is measured in positive units for convex…

“normal” focal length, not too wide and not too tight. This normalizes the scene’s space which is played up later for comedy. They show Jiff Ramsey (Eddie Murphy) standing in front of the cars on the highway and use a small depth of field to separate the two, again, reminding the viewer of the space within the scene. In the second part of the scene, Jiff is on the far side of the highway and has to run across. To make the audience really feel the danger of the situation, they used long focal…