This website makes use of cookies. We have worked hard to compile every past paper by topic and exam board! All information and questions sourced from the CGP GCSE Biology Higher Level Revision Guide for the OCR Gateway Exam Board. Classification. -osmosis. -medium smooth muscle contracts so does the elastic fibres -surface area, outline facilitated diffusion using channel proteins how are leaves adapted for photosynthesis? -nuclear pores in nuc envelope. -endocytosis (coming into the cell) the ability to distinguish between 2 separate points clearly. -osmosis (diffusion of water down the water potential gradient) facilitated diffusion is a passive process, (requires no energy). These are messenger RNA molecules. number of organs working together to perform an overall function. We have detected that Javascript is not enabled in your browser. -holding the components of some metabolic pathways in place. what is the process where the cell splits in cell division called? meristem cells have very thin walls. the communication between cells using a hormone and a complimentary receptor site that will bring about a change in other cells. -usually the H20 will leave through the stomata that open when the guard cells are fully turgid. the loss of water from the upper section of the plant particularly the leaves. -DNA is part of larger structures (chromosomes), which are unable to move from the nucleus, intermediate messenger molecules are needed. ellenpoole123. (the same process as diffusion just with water travelling from an area of high conc to an area of low concentration. Comprehensive A Level Biology revision notes providing information and assistance for all UK examination boards (AQA, OCR, Edexcel) as well as international curriculum (CIE). A-Level Psychology Revision section of StudyWise. - a layer of cylindrical palisade cells (packed with chloroplasts containing chlorophyll) -movement/stirring The OCR A level Biology course is made up of 6 modules: 1.Development of practical skills in biology -littered with ribosomes that make proteins. left side (reason the left ventricle is thicker than the right). The OCR A level Biology specification is demanding with a wide breadth of content, data analysis and mathematical skills forming major parts of the course. Chapter 2 Basic components of living systems . role: site of protein synthesis, act as assembly line where coded info from mRNA is used to assemble proteins from amino acids. allows the transport of ions such as sodium and calcium ions. -squamous epithelial Brainscape is a web and mobile study platform that helps you learn things faster. outline facilitated diffusion using carrier proteins -bronchi (has less cartilage,breaks off into 2 separate bronchioles) -regulating the transport of materials into or out of the cell. -smooth muscle recoils so does the elastic fibres (helps to increase the lumen of airway), amount of air able to move in or out of lungs in a single breath at rest. -separating cell contents from the outside environment -houses genetic info 1 Cell Biology - Animal and Plant Cell Structure, SHHS - Science - NEW AQA A-Level Biology (Year 1), SHHS - Science - NEW AQA A-Level Biology (Year 2), Grice/Hall AQA A-Level Biology Revision Year13, Grice/Hall AQA A-Level Biology Revision Year 12. Buy ocr a level biology and get the best deals at the lowest prices on eBay! -glycoproteins/glycolipids: receptor sites. pair of them next to the nucleus. -where lignin isn't present are sunken pits (allow water molecules to move into live tissue cells around the xylem). structure: single memb, spherical sacs. Biology OCR A A-Level Module 5.2 - Kidney and Excretion 77 Terms. -The completed mRNA molecule detaches from the DNA template and exits the nucleus via the nuclear pores, moving into the cytoplasm. -nucleolus in the nucleus -carbonic acid catalysed by carbonic anhydrase. This bubble is called a “transition vesicle.” what is the maximum magnification of the light, TEM and SEM microscopes? role: site of photosynthesis, light energy used to drive reactions of photosynthesis, carbohydrate mol are made from carbon dioxide and water. -good supply of molecules to exchange surface: keeps conc high so diff grad is high. Join now → Digestion is the breaking down of chemicals in the body to a form that can be absorbed and used. -tissues, organs are created to allow delivery of oxygen and removal of carbon dioxide. -transports CO2 and waste back to the blood. not confined to cytoplasm, able to pass through the cells and vacuoles. 3.5.1.1 - Photosynthesis (Light Dependent Reactions), 3.5.2.1 - Glycolysis, Link Reaction and Krebs Cycle. muscles usually force the movement of the blood around the animal. -Once a protein has been synthesized (made), Rough ER creates a bubble around it by pinching off a portion of its own membrane. list features of a good transport system? Resources for Applied Ecology, Core Principles/Foundation, Energy, Control and Continuity, Genes and Genetic Engineering, Microbes and Disease, Physiology and Transport, Reproduction and Population. at what phase in mitosis do the chromosomes line up in the centre of the cell? -the Bohr effect is the process of having large quantities of CO2 in repairing tissues causing the erythrocyte to release even more oxygen. -leaf vein system stansports H20 to leaf and takes products from pho-syn-sis away to other parts of plant. There's loads to learn and understand all of which can be tested on in the exam but here to help are some top Biology revision resources for both AS and A Level … -will produce a known crop as it will lack genetical diversity. -the assembled protein leaves the ribosome by pinching off in a vesicle , it may leave the cell or be used in the cell. Thanks for looking. -smooth muscle bishop_biology. -cells need to be turgid to be metabolically active 2.1.2 Biological Molecules Part 1 COMPLETE, 2.1.2 & 2.1.3 Biological Molecules Part 2 COMPLETE. Biology; Unit 1; AS; AQA; ... OCR AS Biology Revision Notes. Put together revision activities that work for you, whether that’s flash cards, mind maps, revision apps, or watching videos. These Revision Cards are for the OCR B (Salters) Chemistry A-Level. -can help prevent harmful thing sin the air form entering the alveoli by contraction in the bronchioles. Perfect revision resources for OCR A Level Biology. what happens to plant cells in a solution with high water potential? - sieve plates allow movement of materials up & down tubes. Survival, in the cool economics of biology, means simply the persistence of one's own genes in the generations to follow. -give an example. -flattened sacs called cisternae. -The movement of water down its water potential gradient. -external intercoastal muscles (contract to lift up the ribs) -cell swells as water moves down the gradient and fills the cell. asexual reproduction saves the energy associated with flowers, fruit and seed production. Any words in capitals are important! For each of the papers below, there are revision notes, summary sheets, questions from past exam papers separated by topic and other worksheets. 1. -cannot supply enough through their skin surface as SA:VOL ratio is too low. The best way to check if your students are actively revising for GCSE Biology, and not just staring at their notes, is to use our Revision Question Cards! -endothelium Make your revision for the A Level Biology quick and fun with our online revision guide and flashcards. they have developed a cell wall making the splitting near impossible for the cell. AS OCR Biology - Organelles. They are a great revision tool for students to use alongside their studies. magnification, image size 2.1.1 Cell Structure (Foundations in Biology). Find A-Level Psychology Revision Resources + Edexcel, AQA & OCR specific Psychology Revision Resources for A-Level Students. an organism or cell, or group of organisms or cells, produced asexually from one ancestor or stock, to which they are genetically identical. -exocytosis (leaving the cell) WJEC Unit 3 Biology CH7 Homeostasis and the Kidney 58 Terms. 1.1: Introduction to biological molecules. -lower epidermis has pores called stomata, allows gasses to be exchanged between leaf and air. A haploid cell is a cell that contains one complete set of chromosomes. Start studying OCR A-Level Biology (Module 1). Chapter 2 Cell Structure and organisation. Buy OCR A-Level Biology Revision Flow Cards: Year 1 1st by Samantha Richardson (ISBN: 9781910060117) from Amazon's Book Store. -have a small SA/VOL ratio asexual means that plants can reproduce quickly even when there are no other plants around to reproduce with. 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