-lumen -holding the components of some metabolic pathways in place. they have developed a cell wall making the splitting near impossible for the cell. ellenpoole123. -littered with ribosomes that make proteins. This bubble is called a “transition vesicle.” alveoli in lungs. -cannot supply enough through their skin surface as SA:VOL ratio is too low. Keep the sessions in your revision plan to a maximum of 30 minutes each and vary the topics - don’t keep repeating the ones you already know. -cells need to be turgid to be metabolically active prophase: replicated chromosomes supercoil (shorten and thicken) Chapter 2 Cell Structure and organisation. facilitated diffusion is a passive process, (requires no energy). an organism or cell, or group of organisms or cells, produced asexually from one ancestor or stock, to which they are genetically identical. -osmosis (diffusion of water down the water potential gradient) ---------------------- role: receives proteins from the ER and modifies them by possibly adding a sugar mol. A-level Biology ; A-level Business Studies; A-level Chemistry; A-level Economics; ... Home > A Level and IB study tools > Biology > Unit 1 Biology Revision Cards (1) Unit 1 Biology Revision Cards (1) 0.0 / 5. A haploid cell is a cell that contains one complete set of chromosomes. the communication between cells using a hormone and a complimentary receptor site that will bring about a change in other cells. -not all cells in contacts with external medium. Awesome! -hydrophobic tails (water hating) face inwards. -separating cell contents from the outside environment -concentration gradient -increase the number of certain organelles within the cell. All Notes; Biology; Biological Molecules; Biological Molecules The dynamic nature of our site means that Javascript must be enabled to function properly. Join now → Digestion is the breaking down of chemicals in the body to a form that can be absorbed and used. See more ideas about Biology revision, Biology notes, A level biology. - photosynthesis requires water to produce carbohydrates. telophase: two new nuclie form. role: contain powerful digestive enzymes. what prevents plant cells from dividing like mammal cells? -good supply of molecules to exchange surface: keeps conc high so diff grad is high. The whole thing's designed to make revision straightforward - everything you need to know is explained simply and thoroughly, helped by full-colour diagrams and plenty of exam-style questions (answers at the back). (the same process as diffusion just with water travelling from an area of high conc to an area of low concentration. -carbonic acid dissociates to release H+ ions = (HCO3-) -allows the oesophagus to expand during swallowing. -loosely packed spongy mesophyll layer with many gaps for air flow Buy ocr a level biology and get the best deals at the lowest prices on eBay! smooth muscle contracts so does the elastic fibres structure: flat memb bound sacs (allows removal of co2 and enough oxygen to support its resting o2 needs.). 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 … -cell surface membrane will pull away from cell wall (plasmolysis). -give an example. FAST & FREE. some modded proteins go to the cell surface to be secreted out. -DNA is part of larger structures (chromosomes), which are unable to move from the nucleus, intermediate messenger molecules are needed. Revision guides; A-level results day 2020; Past papers; Grow your Grades; Subjects A-G. A-level Biology ; ... Home > A Level and IB study tools > Biology > AS OCR Biology - Organelles. -collagen fibres. As well as covering all of the key formulae you need to learn and understand, they also cover all of the major topic areas of the AQA, Edexcel, OCR, WJEC and MEI specifications. OCR A Level Biology Revision Cards / Notes (A*) These notes align perfectly with the OCR H420 A level Biology specification. -removal of molecules from other side: keeps conc of molecules low so diff grad high, list the things that make up the gas exchange system. New Grade 9-1 Edexcel International GCSE Biology: Revision Question Cards. -water leaves cell by osmosis to fill this gradient. used to break down pathogens ect. left side (reason the left ventricle is thicker than the right). Brainscape is a web and mobile study platform that helps you learn things faster. image size OCR (A) A-Level Biology Revision. -the evaporation of the cells creates a water potential gradient and so water from surrounding cells move water over through osmosis. metaphase: replicated chromosomes line up down the centre of cell. OTHER SETS BY THIS CREATOR. - Photosynthesis (Light Dependent Reactions), - Glycolysis, Link Reaction and Krebs Cycle. -cholesterol maintains the fluidity of the membrane. The OCR A level Biology course is made up of 6 modules: 1.Development of practical skills in biology structure: 2 membranes separated by fluid filled space. Limit yourself to seven hours max of revision a day. We have detected that Javascript is not enabled in your browser. when a cell takes on a particular role/function. -carrier proteins actively move substances across the memb. water passes through the water filled spaces between cellulose molecules. Put together revision activities that work for you, whether that’s flash cards, mind maps, revision apps, or watching videos. -allows movement of organelles Make your revision for the A Level Biology quick and fun with our online revision guide and flashcards. why do plants need water in their leaves? muscles usually force the movement of the blood around the animal. role: produces the energy that drives the cells (ATP). -The completed mRNA molecule detaches from the DNA template and exits the nucleus via the nuclear pores, moving into the cytoplasm. 1.1: Introduction to biological molecules. at what phase in mitosis do the chromosomes line up in the centre of the cell? Thanks for looking. -companion cell is very metabolically active -change the shape of the cell (form sieve plates) structure: 2 memb separated by fluid filled space. Lewis Thomas Get revising Biology today - A-level, A2 and AS Biology revision section. structure: small tubes of protein fibres. collection of tissues working together to perform a particular function. ... (18) 18 product ratings - A Level Biology For OCR Revision Guide OCR A Level Sciences. [OLD] DNA - Semi-Conservative Replication Experiment. Home › Biology Revision › OCR (A) A-Level. -the Bohr effect is the process of having large quantities of CO2 in repairing tissues causing the erythrocyte to release even more oxygen. -where lignin isn't present are sunken pits (allow water molecules to move into live tissue cells around the xylem). outline the structure of a phospholipid membrane. The term secretory just means that these proteins are made for secretion, or delivery outside the cell, into the body. There are 95 cards in the pack, covering every key Grade 9-1 OCR Gateway topic. -will produce a known crop as it will lack genetical diversity. 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. flash cards/ revision notes for nearly all topics in the F211 syllabus. moved around using a pump. -regulating the transport of materials into or out of the cell. It covers units B1, B2 and B3 (from the OCR Gateway science exam board).It is a work in process and i will add more cards as my revision progresses. what is an advantage of having genetically identical crops? inner membrane is highly folded to form cristae. -has chromatin. Find A-Level Psychology Revision Resources + Edexcel, AQA & OCR specific Psychology Revision Resources for A-Level Students. outline facilitated diffusion using carrier proteins osmosis will stop even if there is still a water potential gradient between the cell and solution. Module 2: Foundations in Biology. which side of the heart pumps deoxygenated blood away form the heart? role: site of photosynthesis, light energy used to drive reactions of photosynthesis, carbohydrate mol are made from carbon dioxide and water. Buy OCR A-Level Biology Revision Flow Cards: Year 1 1st by Samantha Richardson (ISBN: 9781910060117) from Amazon's Book Store. -some of the contents of the cell. - the cell has a lower water potential. -separating the cell components from cytoplasm. Hide Show resource information. why do large organisms need special exchange surfaces? OCR A Level Biology past paper exam questions organised by topic with model answers. -water Start studying OCR A-Level Biology (Module 1). -tissues, organs are created to allow delivery of oxygen and removal of carbon dioxide. this is the amount of air that is left in the lungs after the max exhalation of person. Classification and … Please note this title is suitable for any student studying: Exam Board: OCR Level: A Level Subject: Biology A First teaching: September 2015 First exams: June 2017 Exactly matched to the OCR A Level Biology A specification, the Revision Guide provides comprehensive, specification-linked content, so you can be sure you are covering everything you need to know for the exams. what are the dis-advantages of having genetically identical crops? -tubes/vessels. in what section of the heart is the atrioventricular valves located? So if you’re revising Cell Division for OCR (A) A-Level Biology, you can find all of the Cell Division questions that have been ever asked by OCR in one single document - useful, no? -ciliated epithelial, -light - transport many different materials around the cell, -surrounded by nuclear envelope OCR A-Level Biology Revision Flow Cards: Year 1: Amazon.co.uk: Samantha Richardson: 9781910060117: Books 2.1.2 Biological Molecules Part 1 COMPLETE, 2.1.2 & 2.1.3 Biological Molecules Part 2 COMPLETE. how can cells adapt to become differentiated? OCR (A) A-Level Biology. £19.83. -walls reinforced/waterproofed with deposits of lignin. actual size. -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. Card 2. cilia- wafts mucus produced by goblet cells up the trachea and into your throat. largest vol of air that can be removed from the lungs in one complete breath. -found on thylakoid memb and in intergranal memb. These concise and easy to read notes cover all the content required for OCR (A) A-Level Biology. transports O2 & nutrients from the blood to the cells. what is the maximum resolution of the light microscope and the electron microscope? -lower epidermis has pores called stomata, allows gasses to be exchanged between leaf and air. -medium All information and questions sourced from the CGP GCSE Biology Higher Level Revision Guide for the OCR Gateway Exam Board. They are energy transducers that convert one form of energy to another. -large SA: more space for molecules to diffuse. The transition vesicle then moves either to the cell membrane or to the Golgi Apparatus. Unit 10- Ecology (definitions and fieldwork). -need alot of oxygen for respiration -the PLANT cell becomes turgid (filled with water). -root pressure -water leaves cell by osmosis to fill this gradient. -nucleolus makes RNA and ribosomes. 467 Cards – 21 Decks – 47 Learners ... A Level - OCR Exam Boards A Level Biology A Level British Empire A Level British History A Level Business A Level Chemistry A Level Computer Science A Level Economics Pure, Statistics and Mechanics. -nucleolus in the nucleus structure: single memb, spherical sacs. Everyday low prices and free delivery on eligible orders. is to ingest invading micro-organisms that are recognised as foreign by the antigen presenting cells (macrophages). what happens to plant cells in a solution with high water potential? -flexability 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. -permeable membrane: to allow molecules through. -involved in making lipids that the cell needs. -gradient from inside of cell to the outside. what happens to animal cells in a solution with a low water potential? then packages the modified proteins into vesicles that can be transported. asexual reproduction saves the energy associated with flowers, fruit and seed production. -interphase: cell goes about daily activities (growth and development) We have worked hard to compile every past paper by topic and exam board! Introduction to Biological Molecules. AQA-A level Biology-revision cards Flashcard Maker: Niamh Blackett. Each one starts off with quick warm up questions, followed by harder questions to really test them. number of organs working together to perform an overall function. -(H2CO3--HCO3- & H+) This website makes use of cookies. The following outlines the topics and exam structure. -2 guard cells swell to open the stomata. outline the process of cilia and goblet cells in removal of waste? -ends don't fully break down. -squamous epithelial multicellular organisms need transport systems why? -CO2+H2O=(H2CO3) -there actives play important role in movement of products produced from photosynthesis up and down the plant in the sieve tubes. -ends of the cells making the xylem break down forming a long continuous tube with wide lumen. what makes an exchange surface efficient? facilitated diffusion is a passive process, (requires no energy). -chloride ion shift into cell to maintain a neutral cell. diffusion is the movement of molecules down a concentration gradient. -solution has high water potential. A Level Bio Extra Cards Flashcard Maker: Amy O'Rourke. Join now → Introduction Coordination of all the activities taking place within an organism is essential for the maintenance of life. -joined to the outer nuclear memb. Great Savings & Free Delivery / Collection on many items ... OCR A Level Biology Revision Cards / Notes (A*) £8.00. Carbohydrates - Monosaccharides to Polysaccharides, Reducing and Non-Reducing Sugar Tests, 3.1.3 Biochemical Reactions in Cells are Controlled by Enzymes. Comprehensive A Level Biology revision notes providing information and assistance for all UK examination boards (AQA, OCR, Edexcel) as well as international curriculum (CIE). Any words in capitals are important! -channel proteins allow the movement of some molecules through the membrane. Module 3.1 Exchange Surfaces and Breathing. Please read our, Cells And Cell Techniques - Flashcards (AQA AS-Level Biology). ... A Level Bio Extra Cards. -carbon dioxide -xylem vessels with parenchyma cells and fibres. Resources include A-Level Psychology Revision Notes, A-Level Psychology Help Forums (General Revision + Edexcel, AQA, OCR & WJEC), Exam Specs, Exam Papers, Psychology Revision Guides (A Level) & More. 1,465 Cards – 18 Decks – M2, C2 Basic Components of Living Systems. The state of something being magnified or represented by an amplified image. Joanna24601. -sieve tubes and companion cells. Learn vocabulary, terms, and more with flashcards, games, and other study tools. -keeps the cells shape -bronchi (has less cartilage,breaks off into 2 separate bronchioles) -give an example. Date: 08 Dec 2020 4pm-5:30pm Free A Level Biology Cell Division Revision Flash Cards. Stuart … what happens to animal cells in a solution with high water potential? diaphragm (relaxes and contracts to increase/decrease volume of lungs. They are a great revision tool for students to use alongside their studies. -endothelium the loss of water from the upper section of the plant particularly the leaves. - a layer of cylindrical palisade cells (packed with chloroplasts containing chlorophyll) Biodiversity, Evolution and Disease Revision Notes: Biodiversity. -usually the H20 will leave through the stomata that open when the guard cells are fully turgid. -supports the cell. -external intercoastal muscles (contract to lift up the ribs) -can help prevent harmful thing sin the air form entering the alveoli by contraction in the bronchioles. Biology OCR A A-Level Module 5.2 - Kidney and Excretion 77 Terms. These are messenger RNA molecules. -elastic fibres list features of a good transport system? -transparent upper surface layer to allow more light through. Comprehensive A Level Biology revision notes providing information and assistance for all UK examination boards (AQA, OCR, Edexcel) as well as international curriculum (CIE). -pump -the cell will shrine, contents will shrink and the membrane will shrivel up. -plant cells have a cell wall that prevents the cell from bursting. (from an are of high concentration to an area of low), active transport is the movement of molecules against its concentration gradient with the use of an energy source such as Adenosine tri-phosphate (ATP), -temperature -distance ... New Grade 9-1 GCSE Computer Science OCR Revision Question Cards - for exams in 2022 and beyond. Survival, in the cool economics of biology, means simply the persistence of one's own genes in the generations to follow. -surface area, outline facilitated diffusion using channel proteins -lumen A-Level Psychology Revision section of StudyWise. Each card gives help on what students need to include. collection of cells working together to perform a common function. This resource is a set of flash cards to help students revise the cell division content in the OCR A Level Biology specification. A set of Q&A cards to help you with revision for your biology exams. -Across a partially permeable membrane. when haemoglobin binds to oxygen it becomes? inner memb is continuous, with elaborate network of flattened memb sacs called thylakoids. - solution has lower water potential than the cell. Nerves outline the roles of sensory receptors in mammals in converting different forms of energy into nerve impulses Sensory receptors – specialised cells that can detect changes in our surroundings. … does not pass through any plasma membranes. magnification, image size -endothelium -transports CO2 and waste back to the blood. These A Level maths revision cards are the first of their kind. 2.1.1 Cell Structure (Foundations in Biology). Our mission is to create a smarter world by simplifying and accelerating the learning process. (turgid-open vice versa) -exchange surface how are leaves adapted for photosynthesis? when the blood passes through the heart 2 times in a single circulation. Past papers, summary notes, factsheets and past exam questions by topic for AQA, CIE, Edexcel, OCR and WJEC Biology AS and A-Levels This book is full of clear notes and exam-style practice questions covering every A2 Biology topic for the OCR exam board. -chlorophyll presence. Biology; Unit 1; AS; AQA; ... OCR AS Biology Revision Notes. -contains chromatin that condenses during mitosis. Module 1: Practical Skills in Biology. -elastic fibres. Resources for Applied Ecology, Core Principles/Foundation, Energy, Control and Continuity, Genes and Genetic Engineering, Microbes and Disease, Physiology and Transport, Reproduction and Population. the ability to distinguish between 2 separate points clearly. blood flows freely in the small animal as it doesn't need the transport system like larger animals. Perfect revision resources for OCR A Level Biology. - the cell has a lower water potential. a stack of thylakoids are called granum/grana. For each of the papers below, there are revision notes, summary sheets, questions from past exam papers separated by topic and other worksheets. what is the maximum magnification of the light, TEM and SEM microscopes? allows the wall to stretch and recoil when the heart pumps. These Revision Question Cards are a brilliant way to learn Grade 9-1 Edexcel IGCSE Physics inside-out. -the cell will shrink, as it loses water. -translates the mRNA that codes for amino acids -trachea (has cartilage in C shape to allow flexability and support) 4.2.1 Excretion 16 Terms. pair of them next to the nucleus. -osmosis. AS OCR Biology - Organelles. -the assembled protein leaves the ribosome by pinching off in a vesicle , it may leave the cell or be used in the cell. meristem cells have very thin walls. Oct 14, 2020 - Explore Hgoodridge's board "OCR biology revision " on Pinterest. pros of plants being able to reproduce asexually? -lungs -alveoli (exchange surface) 2,445 Cards – ... A-Level OCR Biology Flashcard Maker: Louis Palfrey. -prevents collapse 1. -carbonic acid catalysed by carbonic anhydrase. A transducer is adapted to detect changes in a particular form of […] bishop_biology. Chapter 2 - Basic components of living systems. what happens to plant cells in a solution with low water potential? A Level Biology is one of the most popular A level subjects but is arguably one of the most challenging to revise. OCR Biology – Spec at a glance. (transpiration stream). -H+ joins Hb -- (HHb) which side of the heart pumps blood to the rest of the body? - sieve plates allow movement of materials up & down tubes. OCR A-Level Biology A (H420 & H020) and Biology B Advancing Biology (H422 & H020) past (exam papers and marking schemes, the past papers are free to download for you to … -hydrophilic head (water loving) anaphase: replicase of each chromosome are pulled apart by spindle to opposite poles of cell. what does evaporation cause? -tranpiration stream -gradient from inside of cell to the outside. a closed circulatory system is when blood is held in the capillaries. how does H2O leave the leaf? 5.0 / 5. -size of molecules -houses genetic info AS Papers 1 & 2. what are the only plant cells able to divide called? The whole thing's designed to make revision straightforward - everything you need to know is explained simply and thoroughly, helped by full-colour diagrams and plenty of exam-style questions (answers at the back). -cell swells as water moves down the gradient and fills the cell. what is the process where the cell splits in cell division called? -flattened sacs called cisternae. Classification. Practical Skills in Biology -capillary action. They have been crafted not only from multiple certified sources but also with the help of OCR Exam Mark Schemes to ensure phrasing within the notes allows for maximum attainment of marks when taxing an Exam. -solution has high water potential. This book is full of clear notes and exam-style practice questions covering every AS Biology topic for the OCR exam board. OCR (A) A Level Biology Summary Notes. 2.1.2 Biological Molecules (Foundations in Biology) , 2.1.3 Nucleotides and Nucleic Acids (Foundations in Biology). structure: some are free in cell and some bound to RER. Close. WJEC Unit 3 Biology CH7 Homeostasis and the Kidney 58 Terms. -cell recognition and signalling. -smooth muscle goblet cells- produces mucus that traps dust and bacteria, -membrane bound sacs found in cells -Once a protein has been synthesized (made), Rough ER creates a bubble around it by pinching off a portion of its own membrane. These Revision Cards are for the OCR B (Salters) Chemistry A-Level. -The movement of water down its water potential gradient. e.g. These secretory proteins (enzymes) are manufactured here. -supports trachea and bronchi -movement/stirring why is it important that products of photosynthesis is transported up & down plant? not confined to cytoplasm, able to pass through the cells and vacuoles. Know yourself. -thin barrier: short diff distance - solution has lower water potential than the cell. role: site of protein synthesis, act as assembly line where coded info from mRNA is used to assemble proteins from amino acids. -The mRNA is now ready for translation, which is organised by the ribosomes, which now attach themselves to the mRNA. (needed when exercising). allows the transport of ions such as sodium and calcium ions. what are the 2 end products called from successful mitosis. ... Other cards in this set. how much more air can be breathed out over and above the amount that is breathed in a tidal volume breath. -the ANIMAL cell bursts as it does not have a cell wall like a plant cell to withstand the pressure. role: take part in cell devision, form fibres known as spindle fibres that move chromosomes during nuclear division (anaphase). Understanding the Assessment: Exams preparation for AS/A Level Biology A H420, H020 and Biology B H422, H022 (Twilight Summary Webinar) CPD course • Online webinar • FREE • AS and A Level Biology A - H020, H420, AS and A Level Biology B (Advancing Biology) - H022, H422. -will grow at the same rate so will be ready to harvest at the same time. 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! -nuclear pores in nuc envelope. still not completed yet, … -osmosis (diffusion of water down the water potential gradient) -have a small SA/VOL ratio passes through the plasmodesmata, (gaps in the cell wall that contain a thin strand of cytoplasm). -larger molecules such as glucose and amino acids. asexual means that plants can reproduce quickly even when there are no other plants around to reproduce with. -glycoproteins/glycolipids: receptor sites. -leaf vein system stansports H20 to leaf and takes products from pho-syn-sis away to other parts of plant. They cover the Year 1 and AS-Level content. is how much more air can be breathed in over and above the normal tidal volume when you take a big breath. Make your revision for the A Level Biology quick and fun with our online revision guide and flashcards. -cell swells as water moves down the gradient and fills the cell. - allows carbs to reach growing leaves/shoots to aid growth, an exchange surface is something that is used to allow transfer or substances. Check out our website for more revision resources and other subjects and levels. -exocytosis (leaving the cell) -same genetics means that adapted viruses/ crop deceases will be able to destroy the whole population as there is little diversity in genetic info. --------------------- -endocytosis (coming into the cell) -facilitated diffusion Free postage. -smooth muscle -can make lumen of airway narrower (bronchioles) This pack contains 48 cards covering the key Reactions, Definitions, Equations and Reaction Mechanisms that you need to know for your exams (plus a few other important bits). central part is called matrix. Browse over 1 million classes created by top students, professors, publishers, and experts, spanning the world's body of "learnable" knowledge. © 2020 Bold Learning Solutions. Click & Collect. containing two complete sets of chromosomes, one from each parent. -collagen fibres -requires ATP, -diffusion Chapter 2 Basic components of living systems .
2020 ocr biology a level revision cards