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This video concisely and with detail covers the content for the AQA A-Level Biology exams 2025 predicted Exam Papers for GCSE and A-Level Biology, Chemistry, Physics, and Maths Revision Essential! https://www.primrosekitten.com/collections/predicted-papers FREE Revision Guides when you sign up for the mailing list plus discount codes and ...

One of the statistical tests used in A Level Biology, the Chi-squared test is used to compare observed results with expected results. Expected results from tests can be evenly distributed or can be expected to fit certain phenotypic ratios. This video will teach you how to use the Chi-squared with and without phenotypic ratios. - why you need ...

I want to help you achieve the grades you (and I) know you are capable of; these grades are the stepping stone to your future. Even if you don't want to study science or maths further, the grades you get now will open doors in the future. Tutoring - We can match you with an experienced tutor to help increase your confidence and fill in any gaps ...

You can find all my A Level Biology videos fully indexed at https://www.freesciencelessons.co.uk/a-level-revision-videos/a-level-biology/ In this video, we look at how the ELISA test uses antibodies to quantify the level of a protein antigen. Image credits: Scientist performing ELISA test https://commons.wikimedia.org/wiki/File:CSIRO ...

First in a series on statistics in biology looking at how to use the t-test, Chi-squared test and Spearman rank correlation test for A level biology. In this first episode I discuss: 1. The three tests and what each is used for 2. How to decide which test to use 3. The general procedure for doing all the tests In the following episodes I will ...

In this video, I explain ALL of the content required for the "Inheritance" section for AQA A Level Biology. This includes: genotype + phenotype, concept of heterozygotes/homozygotes, multiple alleles, monohybrid crosses, test crosses, dihybrid crosses, codominance autosomal linkage, sex linkage, epistasis and the chi-squared test. Time stamps ...

You can find all my A Level Biology videos fully indexed at https://www.freesciencelessons.co.uk/a-level-revision-videos/a-level-biology/ In this video, we look at how to carry out the chemical tests for starch, protein and lipids. I take you through the procedure involved and show you the positive and negative results. In the next video, we ...

[D Biology classroom] CAIE A-level biology 9700 On biochemical test: Steps and explanations for Benedict's test, Iodine test, Biuret's test, and Emulsion test. Important for the practical exam !! Dilution methods: https://www.youtube.com/watch?v=G6U9Vb4JAPs FREE topical past year books + Marking schemes: https://dbiologyclassroom.blogspot.com ...

[D Biology classroom] CAIE A-level biology 9700 What is a t-test? How to use the t-test in a biology-related problem? FREE topical past year books + Marking schemes: https://dbiologyclassroom.blogspot.com/2024/12/cambridge-level-biology-9700-topical.html For online tutoring sessions or home/group tuition, contact me at daviddelecturer@gmail.com ...

Learn how to and when to use the student T test statistic for A-level Biology, how to write a null hypothesis and conclusion. In this video I go through worked exam questions linked to this exam skill, focussing on what a p value is. Download my FREE GUIDE - How to analyse your tests to skyrocket your grade! https://missestruchbiology.mykajabi ...

You can find all my A Level Biology videos fully indexed at https://www.freesciencelessons.co.uk/a-level-revision-videos/a-level-biology/ In this video, we look at how to test for reducing sugars and non-reducing sugars. First, I take you through what is meant by a reducing sugar and give you examples. I then explore the Benedict's test for ...

Learn or revise the ENTIRE topic 2 for AQA Biology. This video goes through all the key specification points, but you can watch my individual videos on this topic (In the playlist for topic 2) for full explanations. Download my FREE GUIDE - How to analyse your tests to skyrocket your grade! https://missestruchbiology.mykajabi.com/exam-technique ...

[D Biology Classroom] CAIE A-level biology 9700 What is the Chi-squared test? How to use the test to evaluate the results of a breeding experiment? To purchase exam practice questions arranged by topics: https://tinyurl.com/mrynhpe6 For online tutoring sessions or home/group tuition, contact me at daviddelecturer@gmail.com Visit my FB page : D ...

The Student’s t-test is one of the statistical tests used in A Level Biology. It is used to determine the significance of the difference between two means. This video will teach you when and how to use two types of t-test, Paired and Unpaired, and includes examples of each. It will take you through the whole process including: - how to state ...

Learn the biochemical tests for A-level biological molecules topics. Most of these biochemical tests are also on the GCSE specification too. Learn how to test for starch, proteins, lipids, reducing and non-reducing sugars. I have taken time-lapse videos of each experiment and photos so you can see the practicals in actions- hopefully, this ...

In this video, I go through the variables, procedure, theory and results behind the first required practical for AQA A Level Biology : Investigation into the effect of a named variable on the rate of an enzyme-controlled reaction. I also go though an exam question based on this practical. If you have any questions, please leave a comment! :)

Learn the entire topic 4 in this video. For further details, you can watch the individual topics in my topic 4 playlist https://youtube.com/playlist?list=PLOfYYgIrtVMhrh_A4dK4_uTiF7_rmEJ8P Download my FREE GUIDE - How to analyse your tests to skyrocket your grade! https://missestruchbiology.mykajabi.com/exam-technique-freebie ***JOIN MY BIOLOGY ...

You can find all my A Level Biology videos fully indexed at https://www.freesciencelessons.co.uk/a-level-revision-videos/a-level-biology/ In this two-part video, we look at how to use the Benedict's test and a colorimeter to quantify the concentration of glucose in a solution. First I take you through the science behind the Benedict's test and ...

One of the statistical tests used in A Level Biology, Spearman’s Rank Correlation is used to check whether there is a link/correlation between two sets of data. This step by step video will show you how to: - understand why you need to use a Spearman’s rank correlation - ascertain and state your null hypothesis - carry out the statistical ...

Hello! In this video, I go through all the key information for A level Biology topic 1 - Biological Molecules. If you want to watch the more in-depth videos for each lesson within this topic, then you can find the videos here ... https://youtube.com/playlist?list=PLOfYYgIrtVMjNF1xtpVSwo9TOn8ucxWUV Download my FREE GUIDE - How to analyse your ...

I have just worked through this and realised there is an error in one of the calculations which has a knock on effect through the equation so I need to update this. I will do that soon. However, the theory is still correct here.

A2 Biology - An explanation of what the t-test is used for, when to use it, how to calculate it and how to interpret it. Includes how to calculate the degrees of freedom and where to look in the critical values table.

***Just spotted a mistake in my notes!*** For the "left hand side" of the critical value diagram, when t-value or Spearman's rank coefficient is LOWER than critical value at p=0.05, it should say: "Therefore less than 95% confidence that there is significant difference or there is a correlation" NOT "more than 95% confidence" which is the same ...

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I want to help you achieve the grades you (and I) know you are capable of; these grades are the stepping stone to your future. Even if you don't want to study science or maths further, the grades you get now will open doors in the future. Tutoring - We can match you with an experienced tutor to help increase your confidence and fill in any gaps ...

In this Biology exam technique video, I go through how to answer evaluate exam questions. I model answers for A level Biology evaluate questions to help you achieve top marks with this A* exam technique tips video. For past paper questions linked to this topic click these links. https://missestruch.co.uk/ Any questions or feedback please ...

For help with knowing when to select each statistic, understanding critical values and P values and how to write a conclusion. This video focuses on the correlation coefficient. I show you how to do the statistic and example questions of what you could be asked to do in an exam. For past paper questions linked to this topic click the link https ...

In this video we cover: - How the hormone HCG is used in pregnancy tests - How pregnancy tests use monoclonal antibodies to give a positive result in the presence of HCG - What a positive result on a pregnancy test may look like in real life

Statistics for A-level Biology. Covering standard deviation, t test, spearman rank and the chi squared test. We will also go through a few examples.

I want to help you achieve the grades you (and I) know you are capable of; these grades are the stepping stone to your future. Even if you don't want to study science or maths further, the grades you get now will open doors in the future. For exclusive revision, videos and workshops, join the channel https://www.youtube.com/channel ...

In this video, I go through the key application, maths and data analysis A-level biology exam questions with you, including model answers and key marking points linked to the cardiac cycle. Download my FREE GUIDE - How to analyse your tests to skyrocket your grade! https://missestruchbiology.mykajabi.com/exam-technique-freebie ***JOIN MY ...

So many of you ask me to do past paper walkthroughs, BUT I can't as they the papers and under copyright so it is illegal. SOOOO, instead, I have created my own exam questions. Here is the first in a BRAND NEW SERIES, in which I will do exam question walkthroughs every month! This month is Biological Molecules, but testing a range of different ...

All of the content that you need to know for the "Cell recognition and the immune system" chapter of AQA A Level Biology. The content crosses over with other exam boards too. I get straight to the facts with no waffling. Content includes: cell recognition, phagocytosis, cell-mediated response, humoral response, vaccination, monoclonal ...

Music; Something Elated by Broke For Free. From the Free Music Archive, CC BY Images from; Classroom Core (TpT), Hidesy Clipart (TpT), The Cher Room (TpT), The Triple Point (TpT), Ninja Woman (TpT), The Painted Crew (TpT) Teacher's Clipart (TpT) Shutterstock 00:00 Start 01:27 Bonding in biological molecules 02:54 Monomers and Polymers 03:57 ...

Follow these tips to help you to get full marks on the long answer questions and have a go at the 3 questions at the end with me! Download my FREE GUIDE - How to analyse your tests to skyrocket your grade! https://missestruchbiology.mykajabi.com/exam-technique-freebie ***JOIN MY BIOLOGY CLUB***. Need an A/A* in Biology and get bored easily and ...

Based on the 2022-2024 syllabus Cambridge Assessment International Education 9700 A2 Biology Full Chapter 17 playlist: https://www.youtube.com/playlist?list=PL8EBwIj-eOLNLdJOZ3q6NUtpz0d7V9Ldw Cambridge A-Level Biology notes, worksheets, topical past papers, videos without ads, and other resources can be now be purchased by *chapter* on https ...

🔍 Download Your FREE Guide to Boost Your Grades! Get my FREE Guide on How to Analyze Your Tests and Skyrocket Your Biology Grade! This guide is packed with tips to help you study smarter, not harder. 👉 https://missestruchbiology.mykajabi.com/exam-technique-freebie 🚀 Join the Biology Study Club! Are you aiming for an A/A in A-Level ...

These are my TOP TIPS for bagging that A* in A level biology! I hope you found this video useful and make sure to check out the websites and notes linked down below! ~Websites~ - https://studymind.co.uk/resource/aqa-a-level-biology/ (There are other boards as well) - https://mmerevise.co.uk/a-level-biology-revision/ - https://www ...

DrBiology goes through HOW to approach exam questions in the AQA A level Biology exam. He uses the SPEC, COMMAND, DIRECTION method to spot what the exam question is about. He discusses the key command words WITH example questions and talks about how to get ready and prepared for the exams.

This video goes through ALL the theory for AQA A-level Topics 1-4, which is needed for paper 1 or for the entire AS Exam. Download my FREE GUIDE - How to analyse your tests to skyrocket your grade! https://missestruchbiology.mykajabi.com/exam-technique-freebie ***JOIN MY BIOLOGY CLUB***. Need an A/A* in Biology and get bored easily and ...

This video details the possible questions, mainly experiments that you can be asked to describe or explain in any unit 3 biology paper by Pearson Edexcel

In this video, I explain ALL of the content required for the "Nerve Impulses" section for AQA A Level Biology. This includes: structure of a myelinated neuron, resting potential, action potentials, the all-or-nothing principle, the refractory period, transmission of action potentials in myelinated & non-myelinated neurons and factors affecting ...

A-level Biology students, get ready to ace your Cells topic exam! I provide model answers that follow exam criteria to give you an idea of what is expected. With easy-to-follow explanations, this video will give you a solid understanding of the topic and help you approach the exam with confidence. So, don't miss out on this opportunity to stand ...

In this video, I go through all the content you need to know for both proteins and enzymes for AQA A Level Biology, which are part of the Biological Molecules unit. I also go through a few exam questions and their mark schemes. Please comment below if you have any questions. :) Images taken from: BioNinja https://alevelnotes.com/static/content ...

In this video, I explain ALL of the content required for the "Synaptic Transmission" section for AQA A Level Biology. This includes: structure of synapses + neuromuscular junctions, transmission of cholinergic synapses, comparison of cholinergic synapses + neuromuscular junctions and drugs that can affect synapses. Times stamps are in the ...

In this video, I cover everything you need to know for the "Photosynthesis" topic for AQA A Level Biology. It's perfect for quicky revision, last-minute cramming, or a full topic refresher. No waffle—just the key facts and explanations you need to ace your exam. Includes: - Light-dependent reaction - Light-independent reaction (Calvin Cycle ...

This is more of a revision for O-Level and IGCSE Biology. Thank you so much for supporting this channel. If you would like to donate to the growth of the channel and the well-being of the otters behind the scenes, you may do so at: paypal.me/OtterBioTutor

This video discusses the topics I recommend you focus on to boost your chances of achieving a higher grade (A/A*) in AQA A-level Biology Paper 2 2024. I examine the frequency of different AQA topics from past papers based on their raw marks and cover what the UMS grade boundaries were for each paper 2, from 2017 to 2023. AQA Biology Paper 1 ...

Active recall and exam questions for A-level Biology Cells topic.

In this video, I will cover 30 A Level Biology Exam Practice Questions 00:00 - Explain 3 ways in which the structure of a fish gill is adapted for gas exchange - 3 Marks 03:48 - Name 3 other substances produced in the Krebs cycle - 3 Marks 07:38 - Label the main chambers of the heart and main blood vessels 10:33 - Here is a scientific drawing ...