Lipid bilayer

Introduction: In this lab, we had to compare an egg to a cell. We also tested the effect of hypertonic solutions and hypotonic solutions have on cells.The purpose of this experiment was to observe what happened to a cell when placed in different environments. In order to do this, we used an egg to represent a cell and put it in different solutions such as, vinegar, corn syrup, and distilled water. Corn syrup was used to show how a cell would react in a hypertonic solution, and distilled water…

controls the pH level, or acidity, of the cell. The Cytoskeleton gives the cell its basic shape. The endoplasmic reticulum (ER) is a series of connected channels. It is separated into two parts, the rough and the smooth. The smooth ER is vital in lipid synthesis and the rough ER is involved with protein synthesis (Postlethwait, Hopson, & Veres, 1991). After being created in the rough ER, proteins are then altered in the Golgi complex. The Golgi complex then sends the proteins to places…

CELL SIGNALING AND CELL TRANSDUCTION INTRODUCTION: In this lecture, we will study about cell signaling and signal transduction. Each cell in a multicellular animal is bombarded with chemical signals that are made by other cells and this is how communication occurs at cells level by different signaling molecule. Signals that regulate cell metabolism, alter or maintain its differentiated state, determine whether it should divide, and dictate whether it will live or die. The word “signals” in…

2.0 INTRODUCTION Consumption of foods and beverages that do not have added preservative but able to have a longer shelf life has become very popular among the consumer. In order to improve the shelf life of a food product, adding natural food extracts that act as the antimicrobial are able to inhibit or supress the microbial growth (Martin et al 2009). Microbial growth, pH and the storage temperature are the important measure of the shelf life and quality of a food product (Fellers 1988;…

The Ebola virus is gaining worldwide fame due to its sensational outbreak originating from Sierra Leone. The outbreaks of the virus have been recognized and effectively dealt with in the past, but the present outbreak is becoming a overwhelming challenge. Approximately there have been 15,000 suspected cases of the disease and 6,000 confirmed deaths so far. The horrifying visual hemorrhagic symptoms caused by the Ebola virus include internal and external bleeding as well as the fear inducing…