Dr. Isa, Author at Snab Biology https://snabbiology.co.uk/author/nicole/ All 18 Core Practicals Thu, 05 Jan 2023 03:05:53 +0000 en-GB hourly 1 https://wordpress.org/?v=6.5.5 Resource Recommendations https://snabbiology.co.uk/resource-recommendations/ https://snabbiology.co.uk/resource-recommendations/#respond Sun, 11 Jun 2017 14:17:37 +0000 https://snabbiology.wordpress.com/?p=1412 The resource I recommend the most is the SNAB Biology A Revision Guide. Slimmer than the standard textbooks, this revision guide includes concise yet accurate notes on topics 1 to 8, tips on how to improve your exam skills & technique, and a good amount of sample questions to test your knowledge. You may have...

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]]> https://snabbiology.co.uk/resource-recommendations/feed/ 0 Investigating Habituation to a Stimulus https://snabbiology.co.uk/investigating-habituation-to-a-stimulus/ https://snabbiology.co.uk/investigating-habituation-to-a-stimulus/#respond Fri, 19 May 2017 16:03:04 +0000 https://snabbiology.wordpress.com/?p=1363 Core Practical 18 – From Topic 8 (Grey Matter) Aim To investigate habituation to a stimulus in snails. Independent Variable The number of pokes with a cotton wool bud Dependent Variable Time taken for the eye stalks to reemerge from the shell (measured in seconds using a stopwatch) Control Variables Age and size – snails...

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]]> https://snabbiology.co.uk/investigating-habituation-to-a-stimulus/feed/ 0 Using A Spirometer To Measure Tidal Volume And Breathing Rate https://snabbiology.co.uk/using-a-spirometer-to-measure-tidal-volume-and-breathing-rate/ https://snabbiology.co.uk/using-a-spirometer-to-measure-tidal-volume-and-breathing-rate/#comments Thu, 18 May 2017 17:29:29 +0000 https://snabbiology.wordpress.com/?p=1329 Core Practical 17 – From Topic 7 (Run For Your Life) Aim To investigate the effects of exercise on tidal volume, breathing rate, respiratory minute ventilation and oxygen consumption using data from spirometer traces. Equipment Spirometer Kymograph Disinfectant Eye protection Soda lime How Does A Spirometer Work? The general principle behind a spirometer is simple....

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]]> https://snabbiology.co.uk/using-a-spirometer-to-measure-tidal-volume-and-breathing-rate/feed/ 1 Measuring The Rate Of Oxygen Uptake https://snabbiology.co.uk/measuring-the-rate-of-oxygen-uptake/ https://snabbiology.co.uk/measuring-the-rate-of-oxygen-uptake/#respond Wed, 17 May 2017 23:21:11 +0000 https://snabbiology.wordpress.com/?p=1271 Core Practical 16 – From Topic 7 (Run For Your Life) Aim To investigate the rate of respiration. Control Variables Number of organisms – 5g of maggots will be used Temperature – same temperature used for each setup Time – Recordings of volume increase will take place every minute for 5 minutes Equipment  Respirometer Soda...

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]]> https://snabbiology.co.uk/measuring-the-rate-of-oxygen-uptake/feed/ 0 The Effect Of Different Antibiotics On Bacteria https://snabbiology.co.uk/the-effect-of-different-antibiotics-on-bacteria/ https://snabbiology.co.uk/the-effect-of-different-antibiotics-on-bacteria/#comments Thu, 11 May 2017 19:57:09 +0000 https://snabbiology.wordpress.com/?p=1225 Core Practical 15 – From Topic 6 (Immunity, Infection & Forensics) Aim To investigate the effect of different antibiotics on bacteria. Independent Variable The type of antibiotic used Dependent Variable Zone of inhibition left by antibiotic (area measured in cm²) Control Variables Same concentraton of antibiotic used Type and amount of bacteria used – E.coli will be...

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]]> https://snabbiology.co.uk/the-effect-of-different-antibiotics-on-bacteria/feed/ 2 Observing Mitosis https://snabbiology.co.uk/observing-mitosis/ https://snabbiology.co.uk/observing-mitosis/#respond Tue, 07 Feb 2017 20:48:15 +0000 https://snabbiology.wordpress.com/?p=606 SNAB's observing mitosis core practical.

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]]> https://snabbiology.co.uk/observing-mitosis/feed/ 0 The Effect of Temperature on Cell Membranes https://snabbiology.co.uk/the-effect-of-temperature-on-cell-membranes/ https://snabbiology.co.uk/the-effect-of-temperature-on-cell-membranes/#respond Sun, 29 Jan 2017 18:51:53 +0000 https://snabbiology.wordpress.com/?p=369 SNAB's beetroot core practical

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]]> https://snabbiology.co.uk/the-effect-of-temperature-on-cell-membranes/feed/ 0 Measuring the Content of Vitamin C in Fruit Juice https://snabbiology.co.uk/measuring-the-content-of-vitamin-c-in-fruit-juice/ https://snabbiology.co.uk/measuring-the-content-of-vitamin-c-in-fruit-juice/#comments Fri, 27 Jan 2017 22:18:59 +0000 https://snabbiology.wordpress.com/?p=247 Salters-Nuffield Core Practical - Vitamin C Content

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]]> https://snabbiology.co.uk/measuring-the-content-of-vitamin-c-in-fruit-juice/feed/ 3 Effect of Caffeine on Daphnia Heart Rate https://snabbiology.co.uk/effect-of-caffeine-on-daphnia-heart-rate/ https://snabbiology.co.uk/effect-of-caffeine-on-daphnia-heart-rate/#comments Mon, 23 Jan 2017 17:13:40 +0000 https://snabbiology.wordpress.com/?p=76 SNAB's Daphnia core practical information

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]]> https://snabbiology.co.uk/effect-of-caffeine-on-daphnia-heart-rate/feed/ 3 Why Revise The Core Practicals? https://snabbiology.co.uk/why-revise-the-core-practicals/ https://snabbiology.co.uk/why-revise-the-core-practicals/#respond Sun, 22 Jan 2017 15:05:09 +0000 https://snabbiology.wordpress.com/?p=34 As well as providing you with the information for before you carry out your practicals, we strongly recommend that you go over the practicals for any tests (including mocks). So you may or may not know that the SNAB A level exams include 3 biology papers which test you from topics 1 to 8. So why...

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