Ocr A Level Biology A H420/01 June 2023 Question Paper: Biological Processes

Lupus and arthritis {Ans: What are examples of autoimmune diseases?}The characteristics the alleles produce {Ans: What is a phenotype?}Keeping a constant internal environment within range even though the environment is changing {Ans: What is homeostasis?}Growth, replace/repair tissue, asexual reproduction {Ans: What is mitosis used for?}Polarity {Ans: Which property of water allows it to form hydrogen bonds?}Wind, water, animals and humans {Ans: Name possible vectors of plant diseases.}In the walls of internal organs {Ans: Where is smooth muscle found?}Natural active {Ans: What type of immunity do B and T memory cells provide?}Enzymes {Ans: What do the genes in the lac operon code for?}ABA {Ans: What inhibits gibberellins?}Enzymes can easily be lost from the matrix {Ans: What are the disadvantages of surface immobilisation of enzymes through absorption to inorganic carriers?}Ethene {Ans: Which hormone stimulate leaf loss?}Chemiosmosis {Ans: What is the name of the process of ATP production by the movement of protons, as seen in respiration?}Fructose from glucose {Ans: What is immobilised glucose isomerase used to make?}Converted into hydrogen carbonate ions {Ans: What happens to most of the carbon dioxide in the blood?}Low {Ans: What is