Introduction to the cell biologymad alevel biology. Introduction to the major components of plant cells and how they differ from animal cells 2. Animal feed by taking in complex organic matter holozoic nutrition. The cancerous cells can invade and destroy surrounding healthy tissue, including organs. Plasmid is extracted from bacteria cell and human gene inserted into it. Biology upper secondary selfmade notes pdf still available. Biotechnology 294 biology notes module 5 emerging areas in biology 30. Molecular genetics page 4 of 23 the structure of dna dna deoxyribonucleic acid. The major components of the cell are 1 cell membrane, 2 cytoplasm, and 3 nucleus.
Course notes biology 12 core notes cancer is a condition where cells in a specific part of the body grow and reproduce uncontrollably. But just to have an appreciation also for how small cells are even though weve just described these red blood cells and these tcells theres these kind of worlds unto themselves. Latex or vinyl gloves must be worn while conducting experiments or handling reagents or organisms 6. All organisms are made of cells, organisms are made of several organ systems, each organ system contains several organs, each organ contains several tissues. Bachelor of science course is offered in many different disciplines to train candidates in a particular field. All teaching programs beginning, with psle and working through from secondary 1 through to secondary 3 and beyond comprise topic modules. In animals, nutrition consists of the following processes. Introduction to the cell both living and nonliving things are composed of molecules made from chemical elements such as carbon, hydrogen, oxygen, and nitrogen. Best collection of free downloadable 2008 to 2019 primary, secondary and jc test papers ca1, sa1, ca2, sa2 from top schools in singapore. Thus biotechnology is defined as the industrial application of living organisms and their biological processes.
Cells are the basic units of structure and function in an organism. Lecture notes for methods in cell biology tulane university. Biology notes for olevel cell structure and organization. Simply, cells and organisms follow all the laws of the physical universe, and biology is really just the study of chemistry in systems that happen to be alive. The most basic similarity is that all living things are composed of one. They are completely different in function than red blood cells. The cell is the lowest level of organisation that can perform all activities required for life. Accordingly biology has been divided into two branches. Telophase cell membranes closes in and splits the cell. Long hair must be tied back and kept away from flame 5. Download pdf version of all available notes here gce. Lecture 1 introduction to cells cell theory discovered by robert hooke coined the term cell.
Visit the websites given so as to find out more on chapter d3. The table on page vi shows which chapters cover the modules in your specification, so only revise those topics you will be examined on. Chapter notes the cell theory although different living things may be as unlike as a violet and an octopus, they are all built in essentially the same way. Learn sec 3 science biology with free interactive flashcards.
I biology i lecture outline 5 the cell dyersburg state community. Biology notes form 3 this document was downloaded from. The questions are separated into higher and ordinary level questions and by examination year. Rod cells become bleached in bright light sunny and bright days rod cells contain the same pigment which absorbs a wide range of wavelengths of light, and therefore do not distinguish between a variety of different colours monochrome vision rod cells produce undefined images as many rod cells synapse with one bipolar neuron. Whats in this book 1 2 learn and remember what you need to know. Cell biology and genetics notes on all lectures 091161. This will allow you to digest the information better and then reorganize the information in a way that you yourself can understand better. Free pure physics, chemistry, geography and social studies revision notes. Choose from 500 different sets of sec 3 science biology flashcards on quizlet. Im not a biology student i never quite did well in biology may be because i didnt have your notes lol i want to ask you for permission to use your notes only one pdf to create an interactive ebook which i assure you will not be used for commercial purposes nor profit making, etc. Long molecule made up of two 2 strands of nucleotides bound together in the shape of a double helix twisted ladder found in the nucleus of cells. This will give the necessary preparation in understanding my other notes in molecular cell biology and cellular bioengineering.
Video technology make it possible to watch cell growth, division and development. White blood cells are part of the immune system, they play a big role in protecting the body by killing bacteria which cause disease, also known as pathogens. Cell structure and function biology 83 notes module 1 diversity and evolution the plasma membrane is made of proteins and lipids and several models wereof life proposed regarding the arrangement of proteins and lipids. Each document contains the questions in separate sections for sections a, b and c of the exam papers. You can find notes and exam questions for additional math, elementary math, physics, biology and chemistry. Section of dna containing required gene from human chromosome is identified. Specialised cells that perform similar functions are grouped together as tissues. A cell is the smallest unit that can carry on all the processes of life. The chemistry notes cover topics such as chemical bonding, qualitative analysis testing for cations, anions, and gases, organic chemistry, acids, bases, and salts, electrolysis, etc. Spills or broken glass must be reported immediately 7.
These have been made according to the specification and cover all the relevant topics in the syllabus for examination in mayjune as well as octobernovember and march. Resources for top a1 candidates taking the 2020 singaporecambridge gce o level exam. Understand the basics of plant cell expansion and morphogenesis 3. The duration of the bachelor of science degree spans over a period of 3 years. The organization of these molecules into cells is one feature that distinguishes living things from all other matter. Bones collection of cells that secrete calcium salts. Learn vocabulary, terms, and more with flashcards, games, and other study tools. The idea that all living things are made of cells was put forward in about 1840 and in 1855 came cell. Biology upper sec notes pdf biology matters, books. Adapted from holt biology 2008 your turn with a partner, read the chapter 3 section 3 active reading the chemistry of cells. The best biology o level notes o and a level notes.
Remember, good results comes with putting in effort. Largest cell organelle present in eukaryotic cells it is usually spherical it has double layer nuclear membrane with nuclear pores it has transparent granular matrix called nucleoplasm, chromatin network composed of dna and histone proteins it also has a spherical body called nucleolu s. It is a living membrane, outermost in animal cells but internal to cell wall in plant cells. Secondary 3 pure biology 2016 free test papers 2019. Understand current ideas for how mechanical forces affect the cytoskeleton and cell wall biology. The questions by topic are organised according to syllabus unit. The term biology comes from two greek words bios means life and logos means knowledge. Biology in general and cell biology in particular depend heavily on both chemistry and physics. Introduction to cell biology, includes systems analysis, cell theory, characteristics of living things as well as compound light microscope use, and structure and function of cell organelles. Cells are an organisms basic unit of structure and function. Biology notes chapter 6 section 1 your body is made up of many types of specialized cells, but all of them can be divided into two major categories 1. Section 31 the history of the cell theory and microscopes.
When the cell reaches full size, a secondary cell wall may form. Lhs cell biology unit summary notes cells which need a lot of energy have a high number of mitochondria e. Based on biology matters textbook and my schools nygh notes contains drawn diagrams or from the textbook or internet concise for easy memorisation i summarised the textbook and my schools notes into point form. And especially when you think of things on the molecular, or the atomic scale. Cell notes for junior high school and beginning high school biology students. Whether your child is sitting a test in chemistry, physic, english, emaths, amaths, or biology, the way that they approach their task is the most important key indicator for success. Biology is a natural science concerned with the study of life and living organisms, including their structure, function, growth, evolution, distribution, and taxonomy. Cell is the fundamental, structural and functional unit of all living. Here are all the pdf versions of the notes that are available on this site. These make up most of your body tissues and organs 2. Providing study notes, tips, and practice questions for students preparing for their o level or upper secondary examinations. Feedingingestion food taken into the body digestion large food molecules broken down into smaller soluble molecules that can be absorbed into.
The fluid mosaic model proposed by singer and nicholson 1972 is widely accepted. Biology notes for igcse 2014 all in one biology notes. Anaphase half of the chromosomes are pulled one way and vice versa. Biology tomorrow belongs to those who prepare today. Unicellular organisms organisms with single cell, capable of. A compilation of chemistry notes for o level or gcse.