Ocr a2 psychology notes

Central nervous system CNS The central nervous system is made up of the brain and spinal cord where information is processed. Diffusion The net movement of particles of a gas or a solute from an area of high concentration to an area of low concentration along or down a concentration gradient.

Heterotroph An organism that obtains organic molecules by eating other organisms or substances produced by them. In addition, scientific skills such as deductive reasoning based on the scientific method are introduced and reinforced.

DNA from an individual can be cut into small fragments using restriction enzymes, and the fragments can be analyzed using a gel with an electric field. Some plasmids can integrate into the host chromosome.

Charles Darwin developed the theory of evolution by natural selection. The green pigment chlorophyll, found in chloroplasts, absorbs light energy for photosynthesis. Ribosomes The site of protein synthesis in a cell, found in the cytoplasm. This is an interesting unit and one which the students enjoy.

Single nucleotide polymorphism SNP DNA sequence variations that occur when a single nucleotide in the genome sequence is altered.

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The left side of the heart carries oxygenated blood that has returned from the lungs and is pumped to the body. Homeostasis Homeostasis is maintaining a constant internal environment.

To test for fats, shake the substance in ethanol and then add a few drops of water. These messages are sent by nerves faster or hormones slower. They have a thick wall with plenty of elastic and muscle tissue to withstand the high pressure.

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In the mouth, food is chewed into small pieces and saliva containing amylase is released to soften food and digest starch. The eye is a sense organ for detecting light. Lichens Organisms composed of a fungus and an alga in a symbiotic relationship.

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Once the mRNA leaves the nucleus, it enters a ribosome where a protein is made from the encoded message. Parasitism A form of symbiosis in which one participant benefits at the expense of the other.

Stratified Sampling

We wish them all the very best for the future and every success in their lives ahead. Yeast is used to make bread and wine, and bacteria is used to make yoghurt, cheese, vinegar.

It is also important because it prevents the participants from feeling embarrassed about their results. Elementary Language II earns 4 retroactive credits plus 4 course credits for a total of 8 credits Elementary French II FRE earns 3 retroactive credits plus 3 course credits for a total of 6 credits Intermediate Language I earns 8 retroactive credits plus 4 course credits for a total of 12 credits Intermediate French 1 FRE earns 6 retroactive credits plus 3 course credits for a total of 9 credits Intermediate Language II earns 12 retroactive credits plus 4 course credits for a total of 16 credits Intermediate French II FRE earns 9 retroactive credits plus 3 course credits for a total of 12 credits Any Advanced Course earns retroactive credits plus course credits for a total of credits Retroactive credit in the Department of Mathematics: Mitosis produces genetically identical cells, or clones.

Heavy metals, herbicides and carbon monoxide are poisonous.

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It is caused by a selective closing and opening of voltage-sensitive ion channels. The duodenum is relatively short and it is where the digestive enzymes from the pancreas are secreted.

The contraceptive pill contains oestrogen and progesterone to stop FSH from being released by the pituitary gland. Reply facebook November 19, at Some microbes are very useful for the production of food.

If your taking OCR - the exam is a devil to pass as the exam board frequently move the bands around depending on how well or bad people do. When we feel cold, shivering increases the rate of respiration and more energy is released as heat.

All the organisms in a habitat form a community. Villi The finger-like projections from the lining of the small intestines which increases the surface area for the absorption of nutrients into the blood.Delegation strategies for the NCLEX, Prioritization for the NCLEX, Infection Control for the NCLEX, FREE resources for the NCLEX, FREE NCLEX Quizzes for the NCLEX, FREE NCLEX exams for the NCLEX, Failed the NCLEX - Help is here.

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Related discussions on The Student Room. Edexcel GCSE Psychology Unit 1 june 3rd » OCR G Psychology Monday 18th May *OFFICIAL » OCR.

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Ethical Issues in Psychology. In Psychology some of the most contested issues are ethical issues. Many of the greatest psychological studies have been hugely unethical.

Ocr a2 psychology notes
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