Vibrio cholerae

0708-AS Biology Revision Top Priority Questions AS BIOLOGY TOP 60 QUESTIONS Chapter 1 1- Fig.1.1 is an electron micrograph of a mesophyll cell from a leaf. 1.5μm Fig.1.1 (a) Calculate the magnification of Fig.1.1. Show your working and express your answer to the nearest whole number. (b) Identify, by using the letters A to D, a part of the cell shown in Fig. 1.1 where the following substances are located. A chlorophyll B cellulose C DNA D phospholipid (c) State three ways in which the structure

Name: Tenesha Lewis Class: 501 Date: 18th January, 2013 H.S.B Project: DISEASES Teacher: ………………………………….. INTRODUCTION The difference between good health and disease is that health is the level of functional or metabolic efficiency of a living being. In humans, it is the general condition of a person's mind, body and spirit, usually meaning to be free from illness, injury or pain (as in “good health” or “healthy”) whiles