Cell: The cell is the basic structural‚ functional and biological unit of all known living organisms. Cells are the smallest unit of life that is classified as a living thing‚ and are often called the "building blocks of life". Discoverer: The cell was discovered by Robert Hooke in 1665. The cell theory‚ first developed in 1839 by Matthias Jakob Schleiden andTheodor Schwann‚ states that all organisms are composed of one or more cells‚ that all cells come from preexisting cells‚ that vital functions
Free Cell Eukaryote Bacteria
Theories of Biology University of Phoenix – Axia There are seven major theories of Biology that attempt to organize and make sense of the multitude of ideas surrounding the major theories of Biology. The theories include evolution of natural selection‚ inheritance‚ cells‚ biological classification‚ bioenergetics‚ homeostasis‚ and ecosystems. The evolution of natural selection is the theory the theory that attempts to explain how and why species are able to adapt to their environments
Premium Biology Charles Darwin Natural selection
Salters Nuffield Advanced Biology AS Revision summary Unit 1 Topic 1: Lifestyle‚ health and risk Topic 2: Genes and health Unit 2 Topic 3: Topic 4: SNAB Biology AS Revision Summary Understanding the specification The following summary tries to explain what is meant by the specification statements for the SNAB AS course. SNAB includes a lot of material because it helps you to understand ideas or because it is interesting‚ but it can be a little confusing when it comes to knowing what to
Free DNA Cell Gene
Campbell’s AP Biology Notes Chapter 48: Nervous Systems Command and Control Center * The human brain contains an estimated 100 billion nerve cells‚ or neurons * Each neuron my communicate with thousands of other neurons * Functional magnetic resonance imaging (fMRI) is a technology that can reconstruct a 3-D map of brain activity * The results of brain imaging and other research methods reveal that groups of neurons function in specialized circuits dedicated to different tasks
Premium Brain Nervous system Central nervous system
Characteristics of a society By: Alexis Lewis A characteristic of society is simply what it means. But how do you characterize a society? Well for one thing‚ a society is group of people who are elaborative with each other. A characteristic is solely the way you group things‚ living or nonliving. Combine those two words together‚ and you get the following definition. A characteristic of a society is when you categorize a group of people (society) to get the understanding that you need. Why
Premium Johann Wolfgang von Goethe
Sociology is a Science in its own right‚ a distinct and autonomous science of a social phenomenon. It is a fact or occurrence that appears or is perceived; subject to natural and statics laws. In other words‚ it is the study of behavioural things. This science is a unique human enterprise that investigates and articulates facts‚ data and ‘truths’ of the natural world. This inimitable science is based on common sense and scientific knowledge. Common sense is a belief whilst scientific knowledge
Premium Scientific method Science Empiricism
defined caste or ‘jati’ as a hereditary‚ endogamous‚ a group which is usually localised. It has a traditional association with an occupation‚ and a particular position in the local hierarchy of castes. Relations between castes are governed‚ among other things by the concepts of pollution and purity‚ and generally maximum commensality i.e. interdining occurs within the caste” (Srinivas 1962:3). Varna and Caste In theory‚ the caste system is interlinked with the ‘Varna’ model which divides the Hindu society
Premium Caste system in India Hinduism Caste
Chapter 1: Classification and Characteristics of Living Organisms Organisms - An individual living thing‚ such as an animal or a plant‚ is called an organism. There are seven characteristics of living organisms – Nutrition Nutrition is the process by which organisms obtain energy and raw materials from nutrients such as proteins‚ carbohydrates and fats for growth and repair. Photosynthesis is the process of nourishment of green plants. Digestion is the process of nourishment of green
Premium Plant Bacteria Reproduction
Bacterial Biology █ BRIAN D. HOYLE An understanding of the fundamentals of bacterial biology is critical to bacteriologists and other forensic investigators attempting to identify potential biogenic pathogens that may be exploited as agents in biological warfare or by bioterrorists. Fundamentals of Bacterial Biology Bacteria are one-celled prokaryotic organisms that lack a true nucleus (i.e.‚ a nucleus defined by a membrane). Bacteria maintain their genetic material‚ deoxyribonucleic
Premium Bacteria
ACCG350 Financial Statement Analysis Semester 1‚ 2013 Lecture Notes Week 1 Introduction‚ Management Communication and Corporate Governance (Chapter 1 & 12) By Charlene Chen 1 Lecture Outline • Introduction: Unit Guide – Assessment – How to study • Overview of Financial Statement Analysis (FSA) • Communication with Investors • Introduction of Corporate Governance 2 Unit Guide • Textbook – Business Analysis and Valuation‚ 1st AsiaPacific edition‚ by Palepu‚ Healy‚ Bernard‚ Wright
Premium Audit Auditing Corporate governance