08:18

Structure of DNA

03:56

Exam Technique (New AS/A Level) - Q2 Bacteria/Viruses - Secure Specimen Paper 2

06:52

Exam Technique (New AS/A Level) - Q1 Enzymes - Secure Specimen Paper 2

08:52

Exam Technique (New AS/A Level) - Q9 Phloem - Secure Specimen Paper

05:29

Exam Technique (New AS/A Level) - Q8 Enzymes Data Handling - Secure Specimen Paper

06:03

Exam Technique (New AS/A Level) - Q7 Immune System - Secure Specimen Paper

05:05

Exam Technique (New AS/A Level) - Q6 Biochemistry - Secure Specimen Paper

07:03

Exam Technique (New AS/A Level) - Q5 Cell Fractionation - Secure Specimen Paper

08:58

Exam Technique (New AS/A Level) - Q4 Absorption / Biochemical Tests - Secure Specimen Paper

08:57

Exam Technique (New AS/A Level) - Q3 Classification - Secure Specimen Paper

05:59

Exam Technique (New AS/A Level) - Q2 Exchange in Fish - Secure Specimen Paper

04:35

Exam Technique (New AS/A Level) - Q1 mRNA and DNA - Secure Specimen Paper

07:01

Cell Fractionation (New AQA AS/A Level)

15:10

Translocation in the Phloem (New AQA AS/A Level)

06:20

Biochemistry: Phospholipids

08:23

Biochemistry: Triglycerides

09:13

Past Paper Practise - BIOL4 June 2014 Q4: Sex Linkage & Hardy-Weinberg

06:40

Past Paper Practise - BIOL4 June 2014 Q3: Succession & Photosynthesis

04:16

Past Paper Practise - BIOL4 June 2014 Q2: Nitrogen Cycle & Decay

05:27

Past Paper Practise - BIOL4 June 2014 Q1: Human Populations

07:34

DNA Technology - In Vivo Gene Cloning

05:03

DNA Technology - Producing DNA Fragments

14:11

Past Paper Practise - BIOL2 June 2014 Q9: How Science Works

12:02

Past Paper Practise - BIOL2 June 2014 Q8: DNA / Cancer / Data Handling

06:00

Past Paper Practise - BIOL2 June 2014 Q7: Index of Diversity / Data Handling

08:11

Past Paper Practise - BIOL2 June 2014 Q6: Evolutionary Relationships / Data Handling

06:25

Past Paper Practise - BIOL2 June 2014 Q5: Gene Transfer / Mutations

05:40

Past Paper Practise - BIOL2 June 2014 Q4: Gas Exchange in Fish

06:29

Past Paper Practise - BIOL2 June 2014 Q3: Oxygen Dissociation Curve / Data Handling

05:35

Past Paper Practise - BIOL2 June 2014 Q2: Data Handling / Standard Deviation

05:25

Past Paper Practise - BIOL2 June 2014 Q1: Classification

09:24

Haemoglobin & Oxygen Dissociation Curves

07:27

Mitosis - The Cell Cycle & Cancer

08:23

Meiosis

06:28

Variation - Causes and Types

05:11

Absorption in the Small Intestine

03:26

Biochemistry: Know Your Biochemical Tests

01:46

Treating Cholera - Oral Rehydration Therapy

04:07

Cholera

08:29

The Synoptic Essay - 2015 Predictions

08:54

The Synoptic Essay - How It's Marked

05:00

The Synoptic Essay - 6 Top Tips

07:31

Gas Exchange in Fish

04:21

Gas Exchange in Insects

07:38

Osmosis & Water Potential

05:56

Index of Species Diversity

03:45

GCSE Exam Cram - Blood Glucose and Diabetes

09:15

Transport in Plants: Transpiration & Xerophytes

07:09

Transport in Plants: Movement up the Xylem

05:50

Transport in Plants: Soil to Xylem

09:32

Statistics for Biologists - Standard Error & 95% Confidence Limits

11:16

Statistics for Biologists - The Chi Squared Test

06:05

Exam Technique - Fundamentals of Cellular Respiration (4/4)

11:43

Exam Technique - Fundamentals of Cellular Respiration (3/4)

03:15

Exam Technique - Fundamentals of Cellular Respiration (2/4)

04:45

Exam Technique - Fundamentals of Cellular Respiration (1/4)

04:14

The Fluid Mosaic Model of the Cell Membrane

05:01

Diffusion, Facilitated Diffusion & Active Transport: Movement across the Cell Membrane

09:04

Biochemistry: Polypeptides (Proteins)

06:16

Respiration: Stage Three - Krebs Cycle