Ib biology unit 5 Study guides, Class notes & Summaries

IB Biology Unit 5 Exam Questions With Answers...

IB Biology semester 1 Latest Version Graded A+ Cells Smallest functional unit of an organism What are the principles of cell theory? 1. All living things are made of cells 2. Cells are smallest unit of life 3. Cells come from pre-existing cells What are the properties of life? Metabolism Reproduction Growth Response Excretion Homeostasis Nutrition Prokaryotic cells Single cell which has neither a distinct nucleus or organelles can be an organism (e.g. bacteria) Flage...

IB Biology SL — Topic 1 • Cell Biology with Complete Solutions Cell theory 1. All living things are composed of cells 2. Cells are the smallest unit of life 3. Cells only arise from pre-existing cells Striated muscle cell Exception to cell theory! → Muscle cells fuse to form fibres that may be very long (>300mm) → Consequently, they have multiple nuclei despite being surrounded by a single, continuous plasma membrane → Challenges the idea that cells always funct...

IB Biology 1.1 Latest Version with Complete Solutions Cell Theory 1. All living things are composed of cells and cell products 2. New cells are formed only by the division of pre-existing cells 3. The cell contains inherited information that are used as instructions for growth, functioning, and development 4. The cell is the functioning unit of life; all chemical reactions of life take place within cells 7 functions of life: 1. Nutrition 2. Metabolism 3. Growth 4. Response to S...

IB Biology Practice Exam Questions with Verified Solutions What are the three main parts of the cell theory? What are some possible exceptions? Practice Question 1. All living things are composed of cells. 2. Cells are the smallest unit of life 3. Cells come from pre-existing cells Exceptions: Viruses: living or not? and amoeba What are the basic functions of life? What organisms carry out these functions? Metabolism, response, homeostasis, growth, reproduction and nutrition....

IB Biology- Unit 5- Evolution and Biodiversity Exam Questions With Complete Solutions...

IB Biology Practice Exam Questions with Verified Solutions What are the three main parts of the cell theory? What are some possible exceptions? Practice Question 1. All living things are composed of cells. 2. Cells are the smallest unit of life 3. Cells come from pre-existing cells Exceptions: Viruses: living or not? and amoeba What are the basic functions of life? What organisms carry out these functions? Metabolism, response, homeostasis, growth, reproduction and nutrition. Unicellula...

IB BIOLOGY UNIT 5 Evidence for Evolution SUMMARY NOTES 5.1 Evidence for Evolution Saturday, 3 October 2015 4:00 PM U1. Evolution occurs when heritable characteristics of a species change. There is strong evidence for characteristics of species changing over time, biologists call this evolution. - Acquired characteristics that develop during the lifetime of individual - Heritable characteristics passed from parent to off-spring. - Evolution involves heritable characteristics through natur...

IB BIOLOGY TOPIC 1 CELL BIOLOGY QUESTIONS AND ANSWERS COMPLETE STUDY GUIDE 2023 IB Biology Topic 1: Cell Biology 1. Cell theory: The theory that cells form the fundamental structural and functional units of all living organisms. 2. Differentiation: The expression of a particular gene(s) and not others in order for cell specialisation. 3. Emergent properties: The idea that the sum of an organism is more than the parts interacting and combining. Living things become more complex as they...

AQA A LEVEL BIOLOGY PAPER 1 2023 Please write clearly in block capitals. Centre number Candidate number Surname Forename(s) Candidate signature I declare this is my own work. A-level BIOLOGY Paper 1 Time allowed: 2 hours Materials For this paper you must have: • a ruler with millimetre measurements • a scientific calculator. Instructions • Use black ink or black ball-point pen. • Fill within the boxes at the top based on this page. • Answer all questions. • You mu...