Keratin

To determine the unknown’s morphology is the first step in narrowing down possible organisms. A MacConkey and Mannitol Salt Agar tests were conducted on the organism and revealed the following. No growth on the MacConkey plate resulting in a gram positive bacteria and the Mannitol Salt Agar result showed it could be Staphylococcus or Micrococcus. (1) A gram stain test was used in determining the shape, size and arrangement of the unknown bacteria (1). The unknown organism is heat fixed onto the…

the hair is human or from an animal. When it comes to discovering and determining a person ethnicity it’s a number of details that sets hair samples apart. Each strand consists of three layers, the cuticle, cortex and medulla, and a protein called keratin is the hair’s main component. When determining hair shape follicles are what set each ethnicity apart. Asian hair grows from a round hair follicle, while African American hair sprouts from an oval one, and Caucasian and Hispanics hair…

Task 2a - Explain the tertiary structure in detail ;consider protein shape, bonds involved, how these bonds are made (groups involved, location) give an example of protein having this structure. The primary and secondary structures are both present in a tertiary structure, the whole chain may then be folded further to give the protein molecule a complex globular shape that is known ate the tertiary structure. Similarly to the secondary structure the tertiary structure of protein is determined…

improve our consumer experience can hurt our health” (Ventura, 2012). She supports this claim by providing an example from Siobhan O’Connor’s and Alexandra Spunt’s book No More Dirty Looks. The authors of the book experienced a harmful reaction to a keratin hair treatment that they purchased. The bad reaction was due to the presence of formaldehyde in the product and persisted indefinitely from its onset. Ventura asserts that the U.S is far behind in the matter of regulation of these products,…

Trace Evidence: Hair & Fibers Analysis Trace Evidence Defined as materials that could be transferred during the commission of a violent crime, trace evidence consists of multiple sources of which include hair, fibers, soil, gunshot residue, among many more. Trace evidence can be transferred between people, objects, or the environment during the commission of a crime (Federal Bureau of Investigation, 2016). This idea is known as the Locard exchange principle which is the idea that whenever…

Biliary System The organs and ducts that make up the Biliary System are bile ducts, and the gallbladder. In the system once the bile is secreted from the liver and drained through the smile bile bones called canaliculli. They collect into the heapatic ducts, which then collect in the common heapatic ducts. The heapatic ducts join by the cystic duct to create the common bile duct. These would run from the liver to the duodenum, which would be the first section of the small intestine. However,…

How to Grow Nails Faster Nails are layers of a tough protective protein called keratin, and different factors such as your age and health can affect nail growth. Children’s nails grow much faster than adults until they reach puberty, and women who are pregnant also experience a faster nail growl due to an increase in hormones that boost metabolism and increases circulation. However, illness and certain medications can slow down nail growth, and if you want to know how to grow nails faster, you…

defend themselves against predators. The bodily characteristics of pangolins include large, hardened, overlapping scales similar to armor plating, a newborn pangolin has a softer shell, but it hardens as the animal matures. This armor is made out of keratin. Pangolins curl up into a ball when threatened, and will tuck its face underneath its tail in order to protect itself. They have extremely sharp claws which also helps with defence.Pangolins emot a noxious fumes to supplement the ultimate…

Plants and animals have made changes in their habitats as they have transitioned from water environments to land environments. This alteration requires the organisms to adapt to their new environments in order to survive and reproduce. These evolutionary transitions eventually led up to alterations in means of respiration, ways to prevent water loss, water dependent reproduction, and structural transformations. Amphibians evolved into reptiles and eventually into birds and mammals, being able to…

The skin is a major component of the integumentary system and forms a defensive barrier that protects the internal environment against external forces (Seeley, 2008). Studies carried out by Lowes, Suárez-Fariñas, and Krueger (2013), Cargill et al. (2007) and Tsoi et al. (2012) show that psoriasis vulgaris is a homeostatic disorder of the skin that interrupts the normal proliferation, differentiation and maturation of epithelial cells in the stratum corneum. The focul site of psoriasis vulgaris…