Previous ib exam essay questions, explain how the...

Explain the role of natural selection in the development of behavior patterns. Explain the process of muscle contraction. Compare the effects of the sympathetic and parasympathetic nervous systems with reference to the heart. Outline how enzymes catalyze biochemical reactions. Beta pleated sheets are an example of secondary structure.

Describe the major anatomical features that define humans as primates. Distinguish between genetic and cultural evolution. Outline the conclusion that Miller and Urey drew from their experiments.

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Explain how the nerve impulse passes along a neuron. Identify which one of the annotated bibliography guidelines kingdoms of living organisms was the first to appear on Earth.

However, it is not necessary to show the cordae tendinae. Describe the use of carbohydrates and lipids for energy storage in animals.

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Outline how enzymes in the cytoplasm of cells are produced. Discuss how biochemical variations can be used as an evolutionary clock. Discuss how learning may contribute to an organism's survival chances. Answer the following questions concerning endosymbiotic theory. Discuss the relationship between cladograms and the classification of living organisms.

Outline the experiments of Miller and Urey into the origin of organic compounds on Earth. Explain how pre-synaptic neurons can either encourage or inhibit post-synaptic neurons.

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Following each question is the markscheme answer which was used to evaluate student answers on the examination paper. Compare the roles of the parasympathetic and sympathetic nervous systems.

Describe the process of active transport. Diagrams should be large and take up about half a side of paper. Outline the behavior effects of tetrahydracannabinol THC. Behavior Use these model essay question responses to prepare for essay questions on your in class tests, as well as the IB Examination, Paper 3. The answers following the questions are the mark-scheme ideal responses used to evaluate student examination responses.

Previous IB Exam Essay Questions: Unit 1

Explain how a nerve impulse is transmitted from a neuron to a muscle. Neurobiology Use these model essay question responses to prepare for essay questions on your in class tests, as well as the IB Examination, Paper 3. Outline the quaternary structure of proteins.

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Describe the different ways in which the body could acquire immunity to this disease. Draw a labelled diagram of the human elbow joint. Define, with examples, the term homeostasis. Explain the production of antibodies against a pathogen.

Photosynth Unit 7: Draw a labeled diagram of the human digestive system. State the name of the linkage that bonds the amino acids together. Outline the value of classifying organisms. State one type of bond that stabilizes the tertiary structure. Explain the role of antibody production and the principle of vaccination in immunity.

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Outline Pavlov's experiments on the conditioning of dogs. Explain the use of lactase in biotechnology.

Two absolutely different cities located on two different continents, have to cope with some similar problems They say New York never sleeps, and it must be true, because I always see people walking and cars on the streets, even late at night.

Draw a diagram to show the structure of a motor neuron. Explain the Hardy-Weinberg equation and why it is used. These questions have appeared on recent IB examinations, exactly as shown below. Discuss the relative importance of genetic and cultural evolution in the recent evolution of humans.

Previous IB Exam Essay Questions | Translation (Biology) | Cellular Respiration

Outline the pathway of neurons connecting the retina of the eye to the muscles of the iris. Explain the need for, and mechanism of, ventillation of the lungs research paper on shakespeares sonnets humans.

Following each question is the markscheme answer which was used to evaluate student answers on the examination paper. Many processes in living organisms, including ventilation and gas exchange, research paper on industrial automation moving materials.

Ib Bio Previous IB Exam Essay Questions

Draw graphs to show the effect of enzymes on the activation energy of chemical reactions5 marksHL for the first graph. Cells Unit 2: Membranes Unit 3: Draw a labelled diagram to show the internal structure of the kidney, including the vessels that are connected to it.

Discuss the incompleteness of the fossil record and the resulting uncertainties with respect to human evolution. Draw a simple diagram of the gas exchange system in humans.

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Genetics Unit 9: Describe the process of clotting. Explain how blood glucose concentration is controlled in humans. Literature review on fmcg industry answers following the questions are the markscheme ideal responses used to evaluate student examination responses.

Draw a diagram of a villus in vertical section. Beta pleated sheets are an example of secondary structure.

Previous IB Exam Essay Questions: Unit 2

Reproduction Unit Explain how DNA replication is carried out by eukaryotes. Explain the process of synaptic transmission. Explain why antibotics are used to treat bacterial but not viral diseases.

Explain with examples how psychoactive drugs affect the brain. DNA Unit 5: Outline the role of condensation and hydrolysis in the relationship between amino acids and dipeptides. State the differences between thesis tiny-fly crossword clue and gas exchange in humans.

Discuss the benefits and dangers of vaccinations against bacterial and viral infections.

Previous Unit 12 IB Exam Essay Questions Outline the pain withdrawal reflex in humans.

Unit 4 Use these model essay question responses to prepare for essay questions on your in class tests. Courtship is an important form of behaviour in many species of bird and mammal.

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Describe the principles of synaptic transmission in the nervous system. Describe the roles of different members of a colony of honey bees. Describe the significance of water to living organisms. Outline the general organization of the nervous system. Describe the migration of a named species of bird or mammal. Outline the structure of tRNA. Draw as simple diagram of the molecular structure of DNA.

Describe the mechanism of ventilation in the human lung. Primary structure involves the sequence of amino acids that are bonded together to form a polypeptide. Explain briefly the function of the loop of Henle in the human kidney.

Botany Unit List four functions of proteins. Discuss briefly the effects of inhibitory psychoactive drugs. Compare DNA transcription with translation.

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Outline the events that occur within the heart, which cause blood to move around the body. Outline the changes that lead to the depolarization of an axon as an action potential travels along a neuron. Distinguish between fibrous and globular proteins.

Previous IB Exam Essay Questions: Unit 11 - Course

Paper 2. State one other example. Explain the structure of the DNA double helix. Explain, using examples, how inhibitory psychoactive drugs affect brain physiology.

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  3. Outline how enzymes in the cytoplasm of cells are produced.

Explain briefly the advantages and disadvantages of the universality of the genetic code to humans. Explain how variations in specific molecules can indicate phylogeny. Explain how the structure of the villi in the small intestine are related to absorption of digested food. Compare the effects of the sympathetic and parasympathetic nervous systems with reference to the heart.

State three conditions under which the Hardy-Weinberg Principle does not operate.