Biochemical Molecules

Question 1 (1.1)

Using the diagram above, describe the structure of a typical monosaccharide.

Question 2 (1.2)

Explain, with the inclusion of images, glycosidic bonding in molecules of maltose, sucrose and lactose.

Question 3 (1.3)

Explain the classification of common carbohydrates.

Question 4 (1.4)

Using the diagram, with reference to starch and cellulose, describe how the function of polysaccharides is facilitated by their structure.

Question 5 (2.1)

Describe the molecular structure of a fatty acid molecule and a glycerol molecule.

Question 6 (2.2)

Explain the difference between saturated and unsaturated fatty acid molecules.

Question 7 (2.3)

Describe the molecular structure of a triglyceride and a phospholipid and relate these structures to their functions in living organisms.

Question 8 (3.1)

a) Describe the structure of an amino acid

b) How do individual amino acids differ from each other?

Question 9 (3.2)

Explain, using an image, how peptide bonds form.

Question 10 (3.3)

Explain the terms: primary structure, secondary structure, tertiary structure and quaternary structure of proteins. Include an image of each structure to support your explanation.

Question 11 (3.4)

Describe the role of hydrogen bonding in maintaining the shape of a protein molecule.

Assessment Criteria â€“ you will address these criteria by completing the Assignment Tasks.

1.1

Describe the structure of a typical monosaccharide.

1.2

Explain glycosidic bonding.

1.3

Explain the classification of common carbohydrates.

1.4

With reference to starch and cellulose describe how the function of polysaccharides is facilitated by their structure.

2.1

Describe the molecular structure of a fatty acid molecule and a glycerol molecule.

2.2

Explain the difference between saturated and unsaturated fatty acid molecules.

2.3

Describe the molecular structure of a triglyceride and a phospholipid and relate these structures to their functions in living organisms.

3.1

Describe the structure of an amino acid explaining how individual amino acids differ.

3.2

Explain peptide bond formation.

3.3

Explain the terms: primary structure, secondary structure, tertiary structure and quaternary structure of proteins.

3.4

Describe the forces which hold the protein molecule in shape.

Word Count 2000

10% allowance over the word count.

Paraphrase citation

Use the citation to the endpoint in each response

stick to OpenStax and Lumen Learning, or A-Level Biology textbooks

Try to give additional specific facts and details like numerical information, specific cellular/histological details.

Reduced the surrounding wording or opening sentences to instead directly describe or explain versus the question/AC instructions

Extra factual additions to cover a wider array of detail relative to the criteria.

Email me to send the paper across

to provide equal depth within the responses, to show more strong responses overall.

Websites to use

Biological Molecules | Biology I (lumenlearning.com)

AQA | Biology | Subject content | Biological molecules

Biological Molecules: Key Terms (1.1.1) | AQA AS Biology Revision Notes 2016 | Save My Exams

Biological Molecules: Reactions (1.1.2) | AQA AS Biology Revision Notes 2016 | Save My Exams

Monosaccharides (1.1.3) | AQA AS Biology Revision Notes 2016 | Save My Exams

Glucose (1.1.4) | AQA AS Biology Revision Notes 2016 | Save My Exams

The Glycosidic Bond (1.1.5) | AQA AS Biology Revision Notes 2016 | Save My Exams

Chromatography: Monosaccharides (1.1.6) | AQA AS Biology Revision Notes 2016 | Save My Exams

Disaccharides (1.1.7) | AQA AS Biology Revision Notes 2016 | Save My Exams

Starch & Glycogen (1.1.8) | AQA AS Biology Revision Notes 2016 | Save My Exams

Cellulose (1.1.9) | AQA AS Biology Revision Notes 2016 | Save My Exams

Biochemical Tests: Sugars & Starch (1.1.10) | AQA AS Biology Revision Notes 2016 | Save My Exams

Finding the Concentration of Glucose (1.1.11) | AQA AS Biology Revision Notes 2016 | Save My Exams

Lipids (1.2.1) | AQA AS Biology Revision Notes 2016 | Save My Exams

Triglyceride Function (1.2.2) | AQA AS Biology Revision Notes 2016 | Save My Exams

Phospholipids (1.2.3) | AQA AS Biology Revision Notes 2016 | Save My Exams

Biochemical Tests: Lipids (1.2.4) | AQA AS Biology Revision Notes 2016 | Save My Exams

Lipid Diagrams & Properties (1.2.5) | AQA AS Biology Revision Notes 2016 | Save My Exams

Amino Acids & the Peptide Bond (1.3.1) | AQA AS Biology Revision Notes 2016 | Save My Exams

Chromatography: Amino Acids (1.3.2) | AQA AS Biology Revision Notes 2016 | Save My Exams

ttps://www.savemyexams.co.uk/as/biology/aqa/16/revision-notes/1-biological-molecules/1-3-biological-molecules-proteins/1-3-3-protein-structure–function/

Protein Interactions (1.3.4) | AQA AS Biology Revision Notes 2016 | Save My Exams

Biochemical Tests: Proteins (1.3.5) | AQA AS Biology Revision Notes 2016 | Save My Exams

Globular & Fibrous Proteins (1.3.6) | AQA AS Biology Revision Notes 2016 | Save My Exams

The Molecular Structure of Haemoglobin (1.3.7) | AQA AS Biology Revision Notes 2016 | Save My Exams

The Molecular Structure of Collagen (1.3.8) | AQA AS Biology Revision Notes 2016 | Save My Exams

Many Proteins are Enzymes (1.4.1) | AQA AS Biology Revision Notes 2016 | Save My Exams

Enzyme Specificity (1.4.2) | AQA AS Biology Revision Notes 2016 | Save My Exams

How Enzymes Work (1.4.3) | AQA AS Biology Revision Notes 2016 | Save My Exams

Required Practical: Measuring Enzyme Activity (1.4.4) | AQA AS Biology Revision Notes 2016 | Save My Exams

Maths Skill: Drawing a Graph for Enzyme Rate Experiments (1.4.5) | AQA AS Biology Revision Notes 2016 | Save My Exams

Maths Skill: Using a Tangent to Find Initial Rate of Reaction (1.4.6) | AQA AS Biology Revision Notes 2016 | Save My Exams

Limiting Factors Affecting Enzymes: Temperature (1.4.7) | AQA AS Biology Revision Notes 2016 | Save My Exams