Activities
Haemoglobin - model answers
These are suggested model answers for the activity Worksheet of questions about hemoglobin on the page Four levels of protein structure (2025) As model answers they don't cover all the possible options...
Activities
Four levels of protein structure (2025)
The Protein data bank is an excellent resource for protein structures, and the video which begins this activity is clear and detailed. This theory is followed by a simple modelling activity to help students...
Activities
Protein structure - model answers
These are suggested model answers for the activity Protein structure questions . on the page Infinite variety of protein structures (2025) As model answers they don't cover all the possible options for...
Activities
Polypeptide structure (2025)
Proteins are the second most common molecule after water. In this activity students learn how proteins are formed from amino acids and polypeptides. To explain the formation of a peptide bond it is important...
Activities
Amino acid & peptide bonds (2025)
This a short introduction to the structure of amino acids and the formation of a peptide bond between two amino acids. It could be a homework activity. After a few slides of amino acids there is a screencast...
eBook
B1.2 Proteins - student friendly summary
This is a 'student friendly' summary list of the DP Biology guide Blue text shows extra clarification or guidance. B1.2.1 - A diagram of a generalized amino acid should show the alpha carbon atom attached...
eBook
A2.1 Origin of cells - student friendly summary
• What plausible hypothesis could account for the origin of life? This question hints at the nature of science, how scientists test their hypotheses? Through experiment. • What intermediate stages could...
Activities
Special features of lipids (2025)
Lipid molecules show some exceptional properties when they interact or connect with other molecules. As lipids are hydrophobic when they are connected to a hydrophilic phosphate the two ends of the molecule...
Activities
Activity 3 - Cell surface antigens - model answes
Identify the parts shown in the diagram which are protein, carbohydrate and lipid (phospholipid)....
Activities
Activity 2 - Steroids - model answers
These are suggested model answers for the Activity 2 - Steroid molecules. Activity 2 Steroid molecules - model answers...