A2 Biology AQA Unit 4 4.5 / 5 based on 17 ratings ? BiologyA2/A-levelAQA Created by: RachelCreated on: 06-12-12 20:57 What is a species? A group of individuals that can interbreed to produce fertile offspring. 1 of 12 Describe a homozygous pair. A pair of alleles on a chromosome which express the same characteristic. 2 of 12 What is the final hydrogen acceptor in the electron transfer chain? Oxygen 3 of 12 What is the final stage of succession? Climax community 4 of 12 Which enzyme catalyses the reaction between RuBP and CO2 in LI photosynthesis? Rubisco 5 of 12 What is the product of the reaction between acetyl coenzyme A and oxaloacetic acid in the Krebs stage of aerobic respiration? Citric acid 6 of 12 What is a phenotype? The characteristic expressed by the alleles present on a chromosome. 7 of 12 What is speciation? The formation of a new species due to a change in allele frequency e.g. mutation or geographical isolation 8 of 12 What is the formula for calculating net productivity of livestock or crop yield? Gross productivity minus respiratory loss 9 of 12 Which principle predicts allele and genotype frequency within a population? Hardy-Weinberg 10 of 12 What is eutrophication? Leaching of nitrogen-containing fertiliser into an aquatic ecosystem. 11 of 12 What is the correct formula for the production of ATP? ADP + Pi -> ATP 12 of 12
Comments
No comments have yet been made