U1 according to the cell theory, living organisms are composed of cells. Students explore all elements of biology including cell composition, human body systems, ecological relationships, taxonomy and binomial nomenclature. In the laboratory, we view them by light microscopy using a compound microscope. Ii cells from a multicellular organism can be cultured in isolation. Review notes for topic 1 cell biology for higher and standard level ib international baccalaureate. It clearly states the main concepts of cell theory. First, i will delve into resources by ib biology topic. To help you gauge your progress and understanding, the answers for the databased questions in your ib biology course book are available.
The cell theory is an example o where scientists have looked or trends and discrepancies. If you are looking for an outline that will guide you to perform well in the biology exam, this is the one that you can rely on. Ib biology the origins of cell ib biology cell theory. Heres another teacher explaining how to calculate magnification using questions from one of my essential biology sheets. Notes, practice papers, reference books cbse class 8 class 10. Biology for the ib diploma second edition by cambridge. This topic has one of the highest percentage 28% of occurrence in the papers.
Your ib biology course book to help you gauge your progress and understanding, the answers for the databased questions in your ib biology course book are available here. Page 7 exploring the nature of science in the new ib biology course. In recent years, it may appear that cell is no longer a basic unit of life because life may exist without cells also. Slideshow for students studying ib biology, contains links to animations and videos and practice questions for calculating actual size from a. The giant alga acetabularia has a feature that suggests it is an exception to the cell theory. Robert hooke was the frst to use the word cell or structures in living organisms. Each slide includes the specific learning objective as well as key vocabulary that students should note.
Choosing the best book is more important now that it was in previous years. What is the ratio of the relative size of a eukaryotic cell, a virus and a prokaryotic cell. Mention the concept that the rate of heat productionwaste productionresource consumption of a cell is a function of its volume, whereas the rate of exchange of materials and energy heat is a function of its surface area. Cell theory powerpoint not very brilliant, so give it a miss if you dont have time. U2 organisms consisting of only one cell carry out all functions of life in that cell. Sir ian wilmut, director of the mrc centre for regenerative medicine at edinburgh university, who led the team that created dolly the sheep, said. The pasteurs experiment and dna sequences similarity are introduced to prove the cell. Use the following mix and match activity along with page 9 and 10 of the text book to find. The book provides readers with an overview of the ib biology testspapers, including an. The cell theory is a generalization that applies to most but not all organisms. Feb 17, 2014 the latest revision of the ib biology syllabus will be examined in the years 20162022, and this second edition of biology for the ib diploma is fully updated to cover the content of that syllabus.
And some cool animations to put things in perspective. Idea that all living things are composed of cells, cells are the basic units of structure and function in living things, and new cells are produced from existing cells. This activity gives students clear examples of biological objects to cover sizes from 1mm to 1nm. Mention the concept that the rate of heat productionwaste productionresource consumption of a cell is a function of its volume, whereas the rate of exchange of materials and energy heat is. Ib cell biology the cell theory biology is all about cells and living organisms. Students should know that according to cell theory all cells are. Ib biology the cell theory biology ib cell theory hypothesis theory. There are exceptions to the cell theory justifiable arguments as to why the theory might not apply to all and every organism. Why is she uploading photos on instagram when she has an exam tomorrow. Video lecture of cellib bio cell structure function part i. This 80slide powerpoint presentation covers topic 1. He did this in 1665 ater examining cork and other parts o plants. Quizlet flashcards, activities and games help you improve your grades.
Ib biology hl unit topics welcome to ib biology hl. Spare a thought for the innocent trees before printing them all out. But after the summer holidays, sally cant remember what a cell is. Thankfully, its not difficult to learn about cells its as simple as 1, 2, 3 tenets. Multicellular organisms have properties that emerge from the interaction of their cellular components. Dec 15, 2008 explore personal development books with scribd. According to the cell theory, living organisms are composed of cells. Stem cells injected into brain of stroke patient world first, guardian. Complete data based questions on page 6 and 7 of your textbook. Answers to questions and exam papers in this book can be found on your free. Here is a brief introduction to understanding point 1 of the topic 1.
Organisms consisting of only one cell carry out all functions of life in that cell. Explain the importance of the surface area to volume ratio as a factor limiting cell size. Cells are the building blocks of structure in living things 2. The evolution of multicellular organisms allowed cell specialisation and cell. Oct 29, 2009 posted on october 29, 2009, in uncategorized and tagged ib biology cells cell theory van leeuwenhoek hooke pasteur virkow surface area volume remak bbc electron microscope. All living things are made of cells when living things are observed under the microscope they consistently appear to be composed of. State that unicellular organisms carry out all the functions of life 1. Preib biology is a class that not only prepares the students well for their eoc biology state exam, but also prepares the student for the rigorous ib courses to come.
The cell theory according to cell theory, living organisms are composed of cells. Students learn about cell theory, the chemistry of living things, plant structure and growth, and the difference between genes and alleles, among many other topics, to further their understanding of and learning about biology. Organism that consists of one cell that carries all functions of life. Students are expected to be able to name and briefly explain these functions of life. Heres a page of animations about techniques in microscopy. Cell biology molecular biology genetics ecology evolution and biodiversity human physiology format of the book the book has been formatted in the following way. Understanding, applications and skills are integrated in every topic, alongside tok links and realworld connections to drive inquiry and. Four organisms that do not conform to the cell theory are striated m uscl e, fungal hyphae, large algae, and red blood cells. Difficulty to cell theory faced when we apply the concept of cell theory to viruses. Make a four slide presentation of the cell theory debate activity. Also, it explains and compares the hypothesis and theory.
The focus of this investigation of cell theory is to see how microscope images provide evidence to support the theory and how some notable exceptions. Compare the use of the word theory in daily language and scientific language. Biology for the ib diploma second edition by cambridge university. Stem cells used in spinal cord trial, from the guardian. This revised edition gives you unparallelled support for the new conceptbased approach to learning. Multicellular organisms have properties that emerge from the interaction of. The only diploma program biology resource developed with the ib to accurately match the new 2014 syllabus for both sl and hl. Genetics at utah best one or this one from cells alive the fairy wasp is smaller than an amoeba, from ed yong. Cell theory was developed to explain basic features of structure.
The ib diploma programme biology standard level course covers the relationship of structure and function at all levels of complexity. Surface area to volume ratio is important in the limitation of cell size. The structure of this book follows the structure of the ib biology syllabus. Never before has there been so much choice but the price of text books is rising faster than the budgets of most school science departments. Your ib biology course book oxford university press. This is very exciting news, however, it is very important to appreciate that the objective of trials at this. Suggest a reason why stem cell research may create ethical issues. The main part of cell theory consists of three main aspects. Cell theory mcqs ib sl biology past exam paper 1 questions.
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