Ib bio Study guides, Class notes & Summaries
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ALL IB BIOLOGY BUNDLED EXAMS WITH COMPLETE SOLUTION GRADED A+
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ALL IB BIOLOGY BUNDLED EXAMS WITH COMPLETE SOLUTION GRADED A+...
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IB Biology Topic 3 Questions With Answers
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IB Biology Topic 3 Questions With Answers...
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IB Biology HL 97 Exam Review Questions with 100% Correct Answers | Updated & Verified
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Outline the cell theory. - ️️Living organisms are composed of cells. 
Cells are the smallest unit of life. 
Cells come from pre-existing cells. 
 
Discuss the evidence for the cell theory. - ️️The nature of scientific theories could be introduced here: the accumulation of evidence that allows a hypothesis to become a theory; whether a theory should be abandoned when there is evidence that it does not offer a full explanation; and what evidence is needed for a theory to be adopted or reje...
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IB Biology Exam 2022/2023
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How do you calculate the magnification of a drawing/image? 
Magnification=Image size(with ruler) / Actual size(according to scale bar) 
 
 
 
How do you calculate the actual size of a magnified specimen? 
Actual size=Image size(with ruler) / magnification 
 
 
 
By which process do potassium ions move through potassium channels in axons? 
Facilitated diffusion 
-at rest, the Na-K+ pump expels Na+ ions out of cell, while K+ are put within 
-when the neuron fires--> the ions swap locations via ...
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IB Biology HL With Correct Answers
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What are the characteristics common to all forms of life? -Answer reproduction, carbon, responds to surroundings, Growth and Development, cellular organization, and energy 
 
What are the levels of biological organization from simple to most complex? -Answer Molecules, cell, tissue, organ, organism, population, community, ecosystem, biosphere 
 
What are the 4 most common types of biological molecules? -Answer Proteins, nucleic acids, carbohydrates, and lipids 
 
Organelle -Answer any of a n...
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IB BIOLOGY STUDY GUIDE WITH COMPLETE SOLUTIONS 100% 2024
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IB BIOLOGY STUDY GUIDE WITH COMPLETE SOLUTIONS 100% 2024IB BIOLOGY STUDY GUIDE WITH COMPLETE SOLUTIONS 100% 2024IB BIOLOGY STUDY GUIDE WITH COMPLETE SOLUTIONS 100% 2024
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IB Biology Exam Review Correct Questions & Answers
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Which sequence of DNA would be suitable in DNA profiling? - ANSWER-the one ending in TGA 
 
Which gas produces most of the bubbles in bread dough? - ANSWERcarbon dioxide 
 
Which molecule would first contain C^14 if the alga Chlorella was grown in the presence of light and radioactive CO2? - ANSWERglycerate 3 phosphate 
 
What is a characteristic of homologous chromosomes? - ANSWERthey are of the same length in karyograms 
 
In which situation are alleles exchanged? - ANSWERwhen chiasmata are fo...
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IB Biology SL 46 Questions And Answers
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Organic compound - ️️A compound that contains carbon found in living organisms, excluding carbonates and oxides 
 
Enzyme - ️️Biological catalysts made of protein that speed up the rate of a reaction 
 
Active site - ️️The region of an enzyme where the substrate binds 
 
Denaturation - ️️A structural change in the 3-D shape of a protein causing the loss of its chemical properties 
 
Cell respiration - ️️The controlled release of enrgy from organic compiunds in cells to form A...
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IB Biology - Unit 4 - Ecology SL/HL IB biology 11 SL Ecology topic. 2023 (A+)
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IB Biology - Unit 4 - Ecology SL/HL 
IB biology 11 SL Ecology topic. 
2023 (A+) 
Species - Answer-A group of organisms that can interbreed and produce fertile 
offspring. 
Habitat - Answer-The environment in which a species normally lives or the location of a 
living organism. 
Population - Answer-A group of organisms of the same species who live in the same 
area at the same time. Two populations in the same species that are separated from 
each other may develop differences in character, b...
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IB Biology HL Exam Review Completely Solved Correct 100%
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Outline the cell theory. - ANSWERLiving organisms are composed of cells. 
Cells are the smallest unit of life. 
Cells come from pre-existing cells. 
 
Discuss the evidence for the cell theory. - ANSWERThe nature of scientific theories could be introduced here: the accumulation of evidence that allows a hypothesis to become a theory; whether a theory should be abandoned when there is evidence that it does not offer a full explanation; and what evidence is needed for a theory to be adopted or reje...
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