1. Topic 1.4 Membrane Transport IB Biology R. Price v. 1 2015 2. Allott 33 3. #1: Particles move across membranes by simple diffusion, facilitated diffusion, osmosis, and…

1. Topic 3.2 Chromosomes IB Biology R. Price v. 1 2015 2. Allott 149 3. #1: Prokaryotes have one chromosome consisting of a circular DNA molecule • One chromosome • Circular…

1. Topic 1.5 The Origin of Cells IB Biology R. Price v. 1 2015 2. Allott 45 3. Cells can only be formed by division of pre-existing cells Evidence: • No natural mechanism…

1. Option C.3 Impacts of Humans on Ecosystems IB Biology R. Price v. 1 2015 2. Allott 625 3. #1: Introduced alien species can escape into local ecosystems and become invasive…

1. Topic 3.1 Genes IB Biology R. Price v. 1 2015 2. Allott 141 3. #1: A gene is a heritable factor that consists of a length of DNA and influences a specific characteristic…

1. C.6 The Nitrogen & Phosphorus Cycles(AHL) IB Biology R. Price v. 1 2015 2. Allott, 649 3. #1 Nitrogen-fixing bacteria convert atmospheric nitrogen to ammonia #2 Rhizobium…

1. Topic 4.4 Climate Change IB Biology R. Price v. 1 2015 2. Allott 229 3. #1: Carbon dioxide and water vapour are the most significant greenhouse gases Carbon Dioxide •…