This week, Emma's got the lowdown on facilitated diffusion and polarized membranes for your AP Bio exam. She looks at how molecules diffuse through carrier proteins or channel proteins in membranes. Perfect for AQA, Edexcel and OCR exam boards. Ideal for preparing you for your A Level Biology exam. Click here for the full course, or visit this link: http://bit.ly/2TaDFD8

Join Emma this week as she looks at osmosis for your High School Bio exam. She goes through the diffusion of water across a partially permeable membrane and the effect of this process on the shape of plant cells. Perfect for AQA, Edexcel and OCR exam boards. Ideal for preparing you for your A Level Biology exam. Click here for the full course, or visit this link: http://bit.ly/2TaDFD8

In this episode, Emma looks at diffusion and active transport for your High School Bio exam. She goes through the difference between diffusion and active transport and gives examples of each. Perfect for AQA, Edexcel and OCR exam boards. Ideal for preparing you for your A Level Biology exam. Click here for the full course, or visit this link: http://bit.ly/2TaDFD8

In this episode, Emma looks at gas exchange in the human body for your A level Biology exam. She goes through the structure of the lungs and how each part is adapted to its function, including the alveoli, the bronchi and bronchioles. Perfect for AQA, Edexcel and OCR exam boards. Ideal for preparing you for your A Level Biology exam. Click here for the full course, or visit this link: http://bit.ly/2TaDFD8

This week, Emma looks at the control of water loss for your A level Biology exam. She goes into xerophytic plants and their adaptations to desert habitats in order to control the loss of water. Perfect for AQA, Edexcel and OCR exam boards. Ideal for preparing you for your A Level Biology exam. Click here for the full course, or visit this link: http://bit.ly/2TaDFD8

In this episode, Emma looks at gas exchange in plants, fish and insects for your A level Biology exam. She looks at adaptations such as the spiracles of insects and stomata of plant leaves. Perfect for AQA, Edexcel and OCR exam boards. Ideal for preparing you for your A Level Biology exam. Click here for the full course, or visit this link: http://bit.ly/2TaDFD8

Emma's back with everything you need to know about substance exchange in organisms for your A Level Biology exam. She goes through the important concept of surface area to volume ratio, as well as gas exchange in single-celled organisms. Perfect for AQA, Edexcel and OCR exam boards. Ideal for preparing you for your A Level Biology exam. Click here for the full course, or visit this link: http://bit.ly/2TaDFD8

Emma looks at the structure of the HIV virus, and the effect it has on an infected human. She also looks at the onset and symptoms of AIDs, as well as potential research routes for prevention and treatment. Perfect for AQA, Edexcel and OCR exam boards. Ideal for preparing you for your A Level Biology exam. Click here for the full course, or visit this link: http://bit.ly/2TaDFD8

Emma looks at the primary and secondary immune response and the theory behind vaccines. She also looks at the principle of herd immunity. Perfect for AQA, Edexcel and OCR exam boards. Ideal for preparing you for your A Level Biology exam. Click here for the full course, or visit this link: http://bit.ly/2TaDFD8

In this episode, Emma takes us through the role of monoclonal antibodies in the human immune system. She looks at the structure of antibodies (variable regions, constant regions and disulphide bridges), as well as the enzyme-linked immunosorbent assay or ELISA test. Perfect for AQA, Edexcel and OCR exam boards. Ideal for preparing you for your A Level Biology exam. Click here for the full course, or visit this link: http://bit.ly/2TaDFD8

Emma looks at the process of phagocytosis in dealing with pathogens. She looks at the role of T cytotoxic and T helper cells. Perfect for AQA, Edexcel and OCR exam boards. Ideal for preparing you for your A Level Biology exam. Click here for the full course, or visit this link: http://bit.ly/2TaDFD8

Liz looks at the structure of carbohydrates for your A Level Biology exam. In this episode, she will look at monosaccharides, disaccarides and how to test for the presence for reducing and non-reducing sugars. Ideal for preparing you for your A Level Biology exam. Click here for the full course, or visit this link: http://bit.ly/2TaDFD8

Liz looks at condensation and hydrolysis reactions for your A Level Biology exam. In this episode, she will look at how larger molecules are formed from smaller ones during condensation reactions and how larger molecules are broken down into smaller ones in hydrolysis reactions. Ideal for preparing you for your A Level Biology exam. Click here for the full course, or visit this link: http://bit.ly/2TaDFD8

Liz looks at monomers and polymers for your A Level Biology exam. In this episode, she will look at what monomers and polymers are, and some examples of the two. Ideal for preparing you for your A Level Biology exam. Click here for the full course, or visit this link: http://bit.ly/2TaDFD8

Liz will explain everything you need to know about how the human immune system works for your A Level Biology exam. She will look into how the different components of the immune system work together to fight infection and what happens when the immune system goes wrong. Ideal for preparing you for your A Level Biology exam. Click here for the full course, or visit this link: http://bit.ly/2TaDFD8

Amy brings light into your life and gives an overview of photosynthesis for your A-Level Biology exam. In this episode, she will introduce the two key reactions in photosynthesis. Ideal for preparing you for your A-Level Biology exam. For more info visit: https://www.senecalearning.com/blog/a-level-biology-revision/

YOU'RE SO CLOSE TO THE END! Join Richard for some last minute tips, tricks, and stress busters before A Level Biology Paper 3 tomorrow. He will cover some key topics like eukaryotic cells, prokaryotic cells, DNA, genes, chromosomes, and neurones. Ideal for preparing you for your A Level Biology exam. For more info visit https://www.senecalearning.com/blog/a-level-biology-revision/

Join Jack for a few pointers on a couple key topics for the A Level Biology Paper 2 coming up tomorrow. Topics covered include genetics and anaerobic respiration, which should help you avoid some unwanted perspiration in the exam hall tomorrow! For more info visit https://www.senecalearning.com/blog/a-level-biology-revision/

Did you know biology is the only subject where multiplication is the same as division? 😜😜😜  All of your hard work hasn't been in 'vein' - the end is in sight! Join Seneca's resident mad scientist Jono as he runs over some tips, tricks, and stress busters for A Level Biology Paper 1.  Things join together as Jono talks through biological molecules, he then hops on the gain-train to talk about proteins, before getting 'insane in the cell membrane' and finally finishing with some 'gene'-ius tips about DNA mutations. Ideal for preparing for your A Level Biology exam. For more info visit https://www.senecalearning.com/blog/a-level-biology-revision/  Remember you're never alone! Millions of prokaryotes are living in your gut right now. Best of luck! Jono 

Get well soon! Jono talks through how the immune system obliterates pathogens and keeps you happy, healthy, and fabulous. In this episode he will discuss phagocytosis (nom nom nom), the cell-mediated response (it’s KILLER) and humoral immunity (ironically, not that funny). Ideal for preparing for your A Level Biology exam. For more info visit https://www.senecalearning.com/blog/a-level-biology-revision/ 

Let Jono be your carrier protein and transport you into a utopia of membranous movement memories. In this episode not only will he talk about active transport, but he will recap previous episodes that talked about diffusion and osmosis. Feeling nostalgic? Me too. Ideal for preparing for your A Level Biology exam. For more info visit https://www.senecalearning.com/blog/a-level-biology-revision/ 

Jono takes a partially permeable dip in the pool and talks about osmosis for your A Level Biology exam. Jono plunges straight it with some key definitions, before diving into a potato-themed experiment that’s wet & wild. Bathing suits at the ready? Ideal for preparing for your A Level Biology exam. For more info visit https://www.senecalearning.com/blog/a-level-biology-revision/ 

Liz looks at cancer for your A Level Biology exam. In this episode, she will look at how cancer develops and how it can be treated. Ideal for preparing for your A Level Biology exam. For more info visit https://www.senecalearning.com/blog/a-level-biology-revision/ 

Liz looks at methods to study cells for your A Level Biology exam. In this episode, she will look at optical and electron microscopes, including transmission and scanning electron microscopes. Ideal for preparing for your A Level Biology exam. For more info visit https://www.senecalearning.com/blog/a-level-biology-revision/ 

 Liz looks at diffusion for your A Level Biology exam. In this episode, she will look at passive and facilitated diffusion. Ideal for preparing for your A Level Biology exam. For more info visit https://www.senecalearning.com/blog/a-level-biology-revision/  

 Liz looks at the structure of cell membranes for your A Level Biology exam. In this episode, she will look at the fluid mosaic model of cell membranes, cell membrane permeability and how you can use a beetroot to find out just how leaky a cell membrane is. Ideal for preparing for your A Level Biology exam. For more info visit https://www.senecalearning.com/blog/a-level-biology-revision/  

 Liz looks at investigating mitosis for your A Level Biology exam. In this episode, she will look at studying mitosis in root tips, how to calculate the mitotic index and cell size. Ideal for preparing for your A Level Biology exam. For more info visit https://www.senecalearning.com/blog/a-level-biology-revision/  

 Liz looks at mitosis for your A Level Biology exam. In this episode, she will look at the stages of the cell cycle and mitosis. Ideal for preparing for your A Level Biology exam. For more info visit https://www.senecalearning.com/blog/a-level-biology-revision/  

Liz looks at prokaryotes for your A Level Biology exam. In this episode, she will look at the structure of prokaryotes, binary fission and viruses. Ideal for preparing for your A Level Biology exam. For more info visit https://www.senecalearning.com/blog/a-level-biology-revision/  

 Liz looks at more eukaryotic organelles for your A Level Biology exam. In this episode, she will look at the Golgi apparatus and vesicles, the rough and smooth endoplasmic reticulum, cell wall and vacuoles. Ideal for preparing for your A Level Biology exam. For more info visit https://www.senecalearning.com/blog/a-level-biology-revision/ 

Liz looks at organelles for your A Level Biology exam. In this episode, she will look at cell surface membranes, cytoplasm, nucleus, mitochondria and chloroplasts. Ideal for preparing for your A Level Biology exam. For more info visit https://www.senecalearning.com/blog/a-level-biology-revision/ 

Liz looks at the basics of cells for your A Level Biology exam. In this episode, she will look at the similarities and differences between eukaryotic and prokaryotic cells. Ideal for preparing for your A Level Biology exam. For more info visit https://www.senecalearning.com/blog/a-level-biology-revision/ 

Liz looks at inorganic ions for your A Level Biology exam. In this episode, she will look at important inorganic ions used in cells. Ideal for preparing for your A Level Biology exam. For more info visit https://www.senecalearning.com/blog/a-level-biology-revision/ 

Water is life! Liz looks at the structure and function of water for your A Level Biology exam. In this episode, she will look at the properties of water that make it important for life on Earth. Ideal for preparing for your A Level Biology exam. For more info visit https://www.senecalearning.com/blog/a-level-biology-revision/ 

Put some energy back into your revision! Liz looks at ATP for your A Level Biology exam. In this episode, she will look at the structure and function of ATP. Ideal for preparing for your A Level Biology exam. For more info visit https://www.senecalearning.com/blog/a-level-biology-revision/ 

Liz looks at DNA replication for your A Level Biology exam. In this episode, she will look at semi-conservative DNA replication, the enzymes involved in replication and the different models for DNA replication. Ideal for preparing for your A Level Biology exam. For more info visit https://www.senecalearning.com/blog/a-level-biology-revision/ 

 Liz looks at polynucleotides for your A Level Biology exam. In this episode, she will look at DNA and RNA structure and the rules for base pairing. Ideal for preparing for your A Level Biology exam. For more info visit https://www.senecalearning.com/blog/a-level-psychology-revision/  

 Liz looks at DNA and RNA for your A Level Biology exam. In this episode, she will look at the functions and structures of DNA and RNA. Ideal for preparing for your A Level Biology exam. For more info visit https://www.senecalearning.com/blog/a-level-psychology-revision/  

Get listening for some reactive revision as Liz looks at the reactions that are controlled by enzymes for your A Level Biology exam. In this episode, she will look at conditions that are optimal for enzymes and how you can calculate the rate of reaction. Ideal for preparing for your A Level Biology exam. For more info visit https://www.senecalearning.com/blog/a-level-biology-revision/ 

Liz looks at the factors affecting enzymes for your A Level Biology exam. In this episode, she will look at how temperature, pH, substrate concentration and the presence of inhibitors can affect enzyme action. Ideal for preparing for your A Level Biology exam. For more info visit https://www.senecalearning.com/blog/a-level-biology-revision/ 

Liz is here to catalyse some revision by looking at enzymes for your A Level Biology exam. In this episode, she will look at the features of enzymes, models of enzyme action and the specificity of enzymes. Ideal for preparing for your A Level Biology exam. For more info visit https://www.senecalearning.com/blog/a-level-biology-revision/ 

 Liz looks at protein structure for your A Level Biology exam. In this episode, she will look at the primary, secondary, tertiary and quarternary structure of proteins. Ideal for preparing for your A Level Biology exam. For more info visit https://www.senecalearning.com/blog/a-level-biology-revision/  

Liz looks at investigating proteins for your A Level Biology exam. In this episode, she will look at how to test for the presence of proteins using the Biuret test. Ideal for preparing for your A Level Biology exam. For more info visit https://www.senecalearning.com/blog/a-level-biology-revision/  

Liz looks at the peptide chain for your A Level Biology exam. In this episode, she will look at the structure of polypeptides, the peptide bond and some functions of proteins. Ideal for preparing for your A Level Biology exam. For more info visit https://www.senecalearning.com/blog/a-level-biology-revision/  

Liz looks at testing for lipids for your A Level Biology exam. In this episode, she will look at how you test for the presence of lipids using the emulsion test. Ideal for preparing for your A Level Biology exam. For more info visit https://www.senecalearning.com/blog/a-level-biology-revision/ 

 Liz looks at the types of fatty acids for your A Level Biology exam. In this episode, she will look at the differences between saturated and unsaturated fatty acids. Ideal for preparing for your A Level Biology exam. For more info visit https://www.senecalearning.com/blog/a-level-biology-revision/ 

Liz looks at triglycerides and phospholipids for your A Level Biology exam. In this episode, she will look at the structure and functions of triglycerides and phospholipids. Ideal for preparing for your A Level Biology exam. For more info visit https://www.senecalearning.com/blog/a-level-biology-revision/ 

Liz looks at polysaccharides for your A Level Biology exam. In this episode, she will look at different types of polysaccharides and their structure and functions, including starch, glycogen and cellulose. Ideal for preparing for your A Level Biology exam. For more info visit https://www.senecalearning.com/blog/a-level-biology-revision/  

Liz looks at the structure of carbohydrates for your A Level Biology exam. In this episode, she will look at monosaccharides, disaccarides and how to test for the presence for reducing and non-reducing sugars. Ideal for preparing for your A Level Biology exam. For more info visit https://www.senecalearning.com/blog/a-level-biology-revision/  

Liz looks at condensation and hydrolysis reactions for your A Level Biology exam. In this episode, she will look at how larger molecules are formed from smaller ones during condensation reactions and how larger molecules are broken down into smaller ones in hydrolysis reactions. Ideal for preparing for your A Level Biology exam. For more info visit https://www.senecalearning.com/blog/a-level-biology-revision/ 

Liz looks at monomers and polymers for your A Level Biology exam. In this episode, she will look at what monomers and polymers are, and some examples of the two. Ideal for preparing for your A Level Biology exam. For more info visit https://www.senecalearning.com/blog/a-level-biology-revision/  

Liz will explain everything you need to know about how the human immune system works for your A Level Biology exam. She will look into how the different components of the immune system work together to fight infection and what happens when the immune system goes wrong.