Biology revision Study guides, Revision notes & Summaries

AQA A level Biology Revision All Answers Correct Describe how you would use a biochemical test to show that a solution contained a non-reducing sugar, such as sucrose. [3] ,first reducing sugars test; boil with dilute HCl acid then Neutralise with NaHCǑ, add benedict and heat to 95 degrees C brick red ppt forms if reducing sugar is present Describe a chemical test you could carry out to show that a piece of coconut contains lipids. [3] (Crush in) ethanol / alcohol; Add (to) water ...

AQA A level Biology Revision Questions 2023

AQA A LEVEL BIOLOGY REVISION EXAM | QUESTIONS & 100% CORRECT ANSWERS (VERIFIED) | LATEST UPDATE | GRADEA+ Describe how you would use a biochemical test to show that a solution contained a nonreducing sugar, such as sucrose. [3] Correct Answer: ,first reducing sugars test; boil with dilute HCl acid then Neutralise with NaHCǑ, add benedict and heat to 95 degrees C brick red ppt forms if reducing sugar is present Describe a chemical test you could carry out to show that a piece of coc...

VCE BIOLOGY REVISION STUDY GUIDE EXAM SOLUTION LATEST 2023 DEFINITION OF KEY TERMS

A red blood cell made up of 15% potassium has a sodium potassium channel that moves the potassium ions across the cell membrane. If the surrounding plasma which contains 35% potassium, which way will the solute move?A red blood cell made up of 15% potassium has a sodium potassium channel that moves the potassium ions across the cell membrane. If the surrounding plasma which contains 35% potassium, then the plasma is ______________ to the cell.A red blood cell made up of 15% potassium has a sodiu...

Describe how you would use a biochemical test to show that a solution contained a non-reducing sugar, such as sucrose. [3] - Answer ,first reducing sugars test; boil with dilute HCl acid then Neutralise with NaHCǑ, add benedict and heat to 95 degrees C brick red ppt forms if reducing sugar is present Describe a chemical test you could carry out to show that a piece of coconut contains lipids. [3] - Answer (Crush in) ethanol / alcohol; Add (to) water (Order of adding is critical for...

CCEA A2.2 Biology Revision Questions With 100% Correct Answers

What are carbohydrates made out of? - Answer carbon, hydrogen and oxygen What is a monosaccharide (with examples of 3)? - Answer Carbohydrates with a single sugar unit, such a glucose, fructose and ribose What is a disaccharide (with 3 examples)? - Answer A carbohydrate with two sugar units, including maltose, sucrose or lactose. What is a true polysaccharide (with three examples)? - Answer A long chain of sugars that has been made through condensation polymerisation, these ...

A-Level Biology paper 1 2023 exam practice paper for Mock. AQA A-Level Biology paper 1 2023 exam question (***IMPORTANT***)