eBook
C1.1 Enzymes & metabolism - student friendly summary
Blue text shows extra clarification or guidance. Theme C - Interaction and interdependence - MoleculesGuiding questions• In what ways do enzymes interact with other molecules?• What are the interdependent...
Activities
Nuclear membrane - model answers
These are suggested model answers for the activity Nuclear membrane film strip narration activity . on the page Double membranes HL (2025) As model answers they don't cover all the possible options...
Activities
Vesicle structure and function HL (2025)
This activity includes the details about structure and function of vesicles, free ribosomes and of the rough endoplasmic reticulum as well as the formation of clathrin coated vesicles so that students...
Activities
Clathrin coated vesicles - model answers
These are suggested model answers for the activity Clathrin coated vesicles questions. on the page Vesicle structure and function HL (2025) As model answers they don't cover all the possible options...
eBook
B2.2 Compartmentalization - revision quiz
This test contains a set of revision questions to help students prepare to be assessed on this topic. There are several question styles and answers with explanations. ...
Activities
Bonding in proteins HL (2025)
This activity uses a range of activities to explore some of the non-covalent bonding which is found in proteins. A simple card matching game shows the formation of hydrogen bonds, ionic bonds and di-sulfide...
Activities
Infinite variety of protein structures (2025)
The ability to visualise proteins has really advanced our understand how they function in the body. In the first activity students consider the twenty amino acids that make all protein structures. How...
ATL in Biology
Reclassification of figworts using cladistics Free
In this lesson students first try to make a cladogram using the physical appearance of flowers from the figwort family. This illustrates how classification has been done for many years. In the second...
Activities
Compartmentalization (2025)
This short lesson plan begins with a quiz about organelles. The questions and responses help student to understand why some structures are not considered to be organelles. The second task provides resources...
eBook
B2.2 Organelles & compartmentalization - student friendly summary
Blue text shows extra clarification or guidance. Guiding questions SL and HL B2.2.1 - Organelles are discrete subunits of cells that are adapted to perform specific functions.The cell wall, the cytoskeleton...