Biol4 Equations Equations needed for Unit 4 Section 1 Biology 5.0 / 5 based on 1 rating ? BiologyPopulationsA2/A-levelAQA Created by: Georgina NelsonCreated on: 10-01-14 11:30 Mark-Release-Recapture Estimated Population Size= (Total no. of individuals in first sample x total no. of individuals in the second sample) ÷ (No. of marked individuals recaptured) 1 of 12 Population Growth Population Growth= (Births+Immigration)-(Deaths+Emigration) Percentage Population Growth rate in given period= (Population change during the period ÷ Population at the start of the period) x 100 2 of 12 Birth Rate and Death Rate Birth Rate= (number of births per year ÷ total population in the same year) x 100 Death Rate= (number of deaths per year ÷ total population in the same year) x 100 3 of 12 Section 2 ATP + (H2O) --> ADP + Pi + E adenosine triphosphate + water --> adenosine diphosphate + inorganic phosphate + energy 4 of 12 Photosynthesis 6CO2 +6H2O à C6H12O6 + 6O2 5 of 12 Photolysis 2H2O --> 4H+ + 4e- + O2 6 of 12 Link Reaction Pyruvate + NAD + CoA --> acetyl CoA +reduced NAD + CO2 7 of 12 Production of ethanol in plants and some microorga pyruvate + reduced NAD --> ethanol + carbon dioxide + NAD 8 of 12 Production of lactate in animals pyruvate + reduced NAD --> lactate + NAD 9 of 12 Net production net production= gross production - respiratory losses 10 of 12 Efficiency of energy transfers Energy= (energy available after the transfer/energy available before transfer)×100 11 of 12 Hardy- Weinburg p2 + 2pq + q2 = 1.0 12 of 12
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