Cell Structure, Cell Theory and Microscopy notes
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This page gathers notes on cell structure, microscopy, cell theory and transport in Biology and natural sciences. School students can use them to revise these topics, while teachers can find material for lessons. There are over 500 notes, mostly for secondary study, with some university-level material. Choose a note to begin exploring.
Notes
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Cell Structure Microscopes:The compound microscope uses two lenses, an objective lens, and an eyepiece lens.The simple microscope uses a single lens.Both of these microsocopes use light to show the image. Cells are measured in units...
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Plasma Membrane and Cell Transport Plasma Membrane Cell membranes are composed of two phospholipid layers. The cell membrane , or the plasma membrane, forms a boundary between a cell and the outside environment and controls the passage of materials int...
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Cells and simple cell transport All living things are made up of cells. Different types of cells have different structures and different functions. Animal cells and plant cells have features in common, such as: a nucleus cytoplasm&...
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Things to Remember VCE Biology Enzymes Important Details Enzyme are not used up in the process of a chemical reaction Enzymes catalyse reactions by destabilising bonds in the substrate so that it is more reactive General SAC Tips
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Cell Structure in Relation to Function Variation exists between cells of one type of tissue and between cells of different types of tissue. When cells are examined closely structures called organelles become visible. Red Blood Cells are disk shaped with po...
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Biology B2 Notes- Diffusion Diffusion is the random movement of particles in a fluid from an area of high concentration to an area of low concentration until there is no net movement or equilibrium has been achieved. The larger the difference in...
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Animal and Plant cells These things are both inside an animal and a plant cell Cell membrane: controls what enters and leaves the cell e.g. oxygen, carbon dioxide, glucose. (Like the brain of the cell) Nucleus: a large structu...
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Basic Cell Parts & Functions The cell is the smallest unit of life. It is the building block from which all living things are made. Cells are so small that you need to use a microscope to see them. Every human, animal&...
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Movement in and out of Cells Diffusion is the net movement of molecules from a region of their higher concentration to a region of their lower concentration down a concentration gradient, as a result of their random movement, Particles more until...
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Specialised Cells PALISADE LEAF CELLS ARE ADAPTED FOR PHOTOSYNTHESIS packed with choloplasts for photosynthesis. More of them are crammed at the top of the cell - so they,re nearer the light. Tall shape means a lot of surface area expo...
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Cell Fractionating Describe and explain how cell fractionation and ultracentrifugation can be used to isolate mitochondria from a suspension of animal cells. The cells are homogenised in a blender to break open the cells. The homogenise...
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Science Lab Cell menbrane :Controls what substances can get into and out of the cell. ANIMAL CELL AND PLANT CELL ANIMAL CELL AND PLANT CELL
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Untitled Cell Structure Animal Cell:Cell (Plasma) Membrane: consists of a double layered sheet of phospholipid molecules interspersed with proteins. Separates the cell from the outside environment gives physical protection all...
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Helpful Resources Onion Bulb Microscope Experiment https://youtu.be/PrX3h-AflZI Microscope History History of optical light microscopes (taken from teacher's workbook ask Mrs Graham how to reference) 2nd...
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Cell Structure and Levels of Organisation -Cells Contain organelles -Cells join with smaller cells to make tissues-Tissues join together with other tissues to make organs-Organs work with other organs in organ systems-Organ systems allow organisms to sur...
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Science LAB Animal cell 1. Cell membrane : Controls what substances can get into and out of the cell. Animal cell and plant cell
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Cell Organelles - Atomi Notes Cell Organelles Cell Organelles Syllabus dot points: 1.1.2.4 understand that eukaryotic cells have specialised organelles to facilitate biochemical processes Photosynthesis (chloroplasts) Cellu...
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b) Cell Structure Cell Structure 2.2) Describe cell structures, including the nucleus, cytoplasm, cell membrane, cell wall, chloroplast and vacuole. 2.3) Describe the functions of the nucleus, cytoplasm, cell membrane, cell wall, chlor...
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Different kinds of cells Bacterial cells have a simpler cell structure than plant and animal cells. Yeast is a single-celled fungus. Yeast cells have some structures that are similar to those seen in plant and animal cells. But the Cell...
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Cells Animal cell and plant cell -vacuole: Contains a liquid called cell sap, which keeps the cell firm. Choroplast: Where photosynthesis happens – chloroplasts contain a green substance called ch...
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Cells and Cell Structures All animals are made up of millions of cells. The cells of most animals haveCell membrane- made mostly of fat, holds it all together and controls what can go in and out of the cell.Cytoplasm- watery substance surround...
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Biology Cell Biology Cells Organisms can be prokaryotes or eukaryotes. All living things are made up of cells. Eukaryotic cells = complex and include all animal and plant cells. Prokaryotic cells = smaller a...
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Biology: Cell Structure & Organisation Cell Structure & OrganisationCells are the fundamental units of life, in which metabolic reactions occur. The detailed structure of a cell, as revealed by the electron microscope, is called its ultrastructure. Simple ...
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1.1 Cell Biology Principles of the cell theory The cell theory states that:1. All living things are composed of cells (or cell products)2. The cell is the smallest unit of life3. Cells only arise from pre-existing cells Questioning th...
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Voice of the genome Cell StructuresDescription and FunctionCell wall: An outer layer of cellulose or chitin; not found in all eukaryotes. Provide rigidity, tensile strength and structure. Cell membrane: A phospholipid bilayer containing ...
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Cell theory test #1 Revision notes Biology test #1 Cell theory Revision notes: 1.1 Introduction to cells Unicellular organisms can carry out all the functions of life. Surface area to volume ratio is an important factor in limitin...
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Cell theory, cell specialization, and cell replacement Cell theory1. All living things are composed of cells.2. Cells are the smallest unit of life.3. Cells only arise from pre-existing cells.Functions of life Metabolism: the web of all enzyme-catalysed reactions in a cel...
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Animal Cell Structure Plasma Membrane The plasma membrane surrounds the entire animal cell. It is composed of phospholipids and proteins. Phospholipids are a major class of lipids that form cell membranes as they are capab...
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OCR Biology- AS Level- Module 1 Cells Module 1- Cells- 1.1.1 Cell Structurea + c)Light Microscope- x1500 magnification, 200nm resolution, These are used and found in school laboratories as well as some conventional use. They are used by staining the sampl...
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AS Biology- OCR- Module 1 Cells Specification Analysis and Notes AS Biology- OCR Module 1 Cells 1.1.1- Cell Structurea) Light Microscope- x1500 Magnification- 200nm resolution Transmission Electron Microscope (TEM)- x500,000 Magnification, 0.2nm resolution &...
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Prokaryotic Cells. -Evolved earlier than Eukaryotic cells.-Smaller and simpler than Eukaryotic cells as don't have a nucleus/membrane-bound organelles.~70s Ribosomes, Slime Capsule, nucleoid, cell wall, cell membrane, mesosomes, plasmid...
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AQA AS Biology Cell Structure Notes Magnification = size of image / size of real objectCell FractionationCell fractionation- has two stages:1. Homogenation- sample placed in cold, buffered, isotonic solution (cold to halt enzyme controlled reactions, bu...
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Biology Eukaryotes (animal and plant cells) Plant and animal cells (eukaryotic cells) have genetic material enclosed in a nucleus. Most animal cells have the following parts: A nucleus, wh...
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Bio Chapter 5 Book Notes (Homework) 5.1 Membranes are fluid mosaics of lipids and proteins with many functions- Gases and water can go through cellular membranes Fluid mosaic models are models of cell membrane structure showing the...
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Biology AQA GCSE - B2 Animals and PlantsCells are the smallest unit of life; human cells include a nucleus, cytoplasm, cell membrane, mitochondria, ribosomes while plants have additions of a cell wall, chloroplasts and a permanent vacuole....
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GCSE Biology, Module B4 module b4 cell structure & function plant and animal cells have similarities & differencesmost animal & plant cells have the following parts1) nucleus- contains DNA. DNA contains the instructions for making proteins, ...
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NCEA Level 2 Biology- Cellular Transport Cellular Transport Notes - Level 2 Biology Cells must have the ability to obtain and release substances in and out of themselves. Living Cells require substances used for various life processes such as R...
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B1 Revision B1 Revision: Cells and Microscopy: Eukaryotes: all animals and plants made from complex cells. Prokaryotes: bacteria are smaller and simpler cells. Both eukaryotic and prokaryotic cells contain sub-c...
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Statistical Data and Cells Biology Standard Level: Statistical Data and Cells Topic 1: Statistical DataAn error bar is the range of data or the standard deviation on a graph.A standard deviation is the expression of the spread of values around ...
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BioS222_reading notes
More Cell Structure, Cell Theory and Microscopy resources
About cell structure, cell theory and microscopy notes
GoConqr OriginalExploring cell structure, cell theory and microscopy notes
The notes on this page cover several ways of looking at cells. Cell Structure includes notes on microscopes, while Cell Theory provides a place to explore that topic. Specialised Cells looks at cells adapted for particular functions, and Movement in and out of Cells covers diffusion.
How to revise with notes
Start with Cells and simple cell transport if you want an introduction to cell features and movement across cells. For a closer look at a particular process, try Cell Fractionating or Plasma Membrane and Cell Transport.
Read a section, then close the note and write down what you remember. Return to the note to check your explanation and fill any gaps. Once you have reviewed the material, switch to a quiz on the unit page to practise recalling it in a different format. Pick a topic and give this approach a try.
Frequently asked questions
Which note is a good place to start?
Try “Cells and simple cell transport” for an introduction to cell features and transport. If you are revising a narrower topic, “Specialised Cells” looks at cells adapted for particular functions, while “Movement in and out of Cells” covers diffusion. Choose the note that matches what you are studying.
What do the notes cover?
The collection includes notes on microscopy, cell theory, cell structure and transport. You can also find material on specialised cells, cell membranes and cell fractionation. The titles offer different starting points, so you can look for a broad introduction or focus on a particular topic.
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Yes. Every note listed here is free to open and study, and you do not need an account. The resources were made by GoConqr users. A free account also lets you make your own notes, quizzes, mind maps and flashcards, and save quiz scores.