Biology Essays

Sense Organs are the organs in our body which enables information from the outside world to be received through specific receptors that are connected to the brain by the nerves. They are eyes, ears tongue, skin and nose. Sense organs absorb energy from a physical stimulus from the environment and …

1. How do banding patterns change when a muscle contracts? a. The H zones and I zones decrease in width when a muscle contracts. 2. What’s the difference between a muscle organ, a muscle fiber, myofibril, and myofilaments? a. Muscle organ – a bundle of muscle fibers b. Muscle fiber …

“In order to understand what the brain does, it is first necessary to understand what it is – to know the names and locations of its major parts and how they are connected to one another” (Pinel, 2011. p. 51). The five major structures that compose the brain are labeled …

The purpose of this report is to use different tests to discover what bacteria is the unknown. This is important because we need to know what test need to be done to rule out different bacteria when testing. There are different tests done for gram negative and gram positive bacteria. …

1. What does it mean when scientists say that living organisms share a universal genetic code? All living organisms are similar genetically, for example, a human could be 99.5% similar to a chimpanzee and 5% genetically similar to a frog. 2. Based on the amino acid sequence data for the …

The history of mankind is the history of evolving societies, civilizations and nations. These are the various levels of groups a person exists as a citizen of, where he cooperates with others to fulfil and increase his own needs and potential and therefore developing that group as a whole. Hence, …

The integumentary system acts as a barrier to many potentially harmful threats such as UV rays, harmful organisms, and forces that would damage the skin. The human body is its own natural defense system, and it will attack anything that threatens its homeostatic environment. If a slight cut in the …

This study aimed to produce natural dye from the extract of mangosteen husks and explore the function of fixing agents (mordants). in the dyeing process. Mangosteen (Garcinia mangostana), a rare fruit known to be the “queen of tropical fruits,” contains bitter yellow latex and purple juice. The mangosteen husks, which …

Organ trafficking is the practice of selling organs for transplant. There are both legal and illegal forms of organ trafficking, typically in which living individuals undergo removal of an organ that is then sold to be transplanted into someone else. While organ trafficking may involve the transfer of organs between …

1.Mediums that could be used to determine shigellosis include Btilliant Green Agar, and Triple Sugar-Iron Agar. Expected results in a confirmed case of shigellosis are as follows: Brilliant Green Agar – Isolated Shigella colonies which do not ferment lactose or sucrose and appear red or white in color with no …