Viruses are actually not cells at all they are parasites which have a non-cellular structure which is composed mainly of nucleic acid. Viruses lack ribosomes therefore they must use ribosomes from their host cells to interject RNA into viral proteins. All viruses can either contain DNA or RNA but they cannot have both. When living

DNA could be considered the building block of life, DNA is basically chains of nucleotides which are built on sugar and phosphate and wrapped around each other to form the double helix. It supports guanine, cytosine, adenine, and thymine. Guanine and cytosine are always across from each other on the helix so are adenine and

When looking at the plasma membrane we need to remember that the plasma membrane involves blends of phospholipids but also of proteins. These proteins aren’t secured in any strict outline, proteins drift in the vicinity of the membrane; which is referred to as “the fluid mosaic model of the cell membrane”.These cell membranesconsist of a

Dq 1.3 Professor and class, Mimic Octopus or Thaumoctopus Mimicus, have pigment sacs all along their skin known as chromatophores. These sacs can contract or expand to produce a rapid change in color and or patterns. The mimic octopus is thought to be a newly discovered species only known to be discovered since around 1998.

There are many similarities and many differences between Prokaryotic and Eukaryotic cells some are limited to but in only that Prokaryotic cells lack most organelles; whereas the Eukaryotic cells contain many forms of organelles. Prokaryotic cells have a simpler structure, generally single celled (excluding Prokaryotic colonies); whereas the Eukaryotic cell has a more complex structure.

When looking at responses to life threatening experiences one system that responds is the human nervous system. Neurons in the hypothalamus become excited which signals an individual to either become aggressive or to run, this is a response known as the fight or flight response. When looking at this reaction or behavior this is known

“Degeneration of the Myelin Sheath is a chronic inflammatory autoimmune process of the central nervous system that affects the brain, spinal cord and optic nerve. “ This can lead to a disease known as Multiple Sclerosis or MS. In this method, the immune system damages the covering of the nerves, called the myelin sheath. Subsequently,

Coral Reef Ecosystem Kimberly Goodwin Bio/101 August 19, 2013 Alison Barrett Coral Reef Ecosystem The coral reef is a very diverse and beautiful ecosystem; they have symbiotic and mutual relations with its inhabitantsthat produce biodiversity. Algae and other creatures help to supply the coral with its food, energy, and help it with protection against predators;

Plant Cell Organelles and Their Functions Kimberly Goodwin Bio/204 January 20, 2014 Amy Sullivan Plant Cell Organelles and Their Functions 1. What is the interdependent relationship between mitochondria and other organelles? Although cell-organelles can seem isolated from one another because of things like membrane barriers, there is a close relationship between them. Mitochondria can work

DQ 1 A simple decision that I recently made is to learn the life of Picasso. The elements that made me take this decision were even simpler. I appreciate, as a human being, the idea of his art, His miracles and the wonders that he created. However, I was left with an interesting question to