Samuel The recommended labs are the Applications of Skills in the topics and, within them, the Skills listed early in the Guide need to be incorporated. There are no recommended labs/protocols as such, but the site offers suggestions for...
A2.2 Cell structure - Planning sheetDo we have the answer key of "Four levels of protein structure"
Four levels of protein structure (2025)Is there a section with all the recommended labs and skills needed for all topics?
A2.2 Cell structure - Planning sheetHi Samuel,Thanks for your note. Something had happened to the layout of the prokaryote cells page, so I have rebuilt the page and included the quick test worksheet. You can see...
Prokaryotes quick test - answers (2025)Where is this quick test?
Prokaryotes quick test - answers (2025)Dear Lauren, Thanks for your comment and for spotting this omission.I'll fix this page later today. Best wishes, David
IB DP Biology - IntroductionThis page still not updated for current syllabus
IB DP Biology - IntroductionDear Monira, There is a model answer to the Burmese python question (activity 3) on this page https://thinkib.net/biology/page/66967/activity-3-burmese-phython-model-answers Hope...
Di-Hybrid Crosses.Dear Monira,I've just added model answers for the questions in activity 1.Best regards, David
Sex Linked Genes (2025)
Hatice Kubra
In the II part of the 5 question (with the respirometer), the model answer doesn't mention how we get an actual measurement of volume of oxygen used
C1.2 Cell respiration - model answers