Learning Paths
Each learning path is one chapter: a guided route through a topic, one small course at a time. Pick a class to see its chapters in order.
Chapter 5
Cell Structure and Organelles, Transport Across the Cell Membrane
Every living thing, from a bacterium to a banyan tree, is built of cells. Inside each one is a busy city of membranes and organelles, each with its own job. In this chapter you meet the cell theory, compare prokaryotic and eukaryotic cells, and tour the organelles: the membrane and wall, the endomembrane system, mitochondria and plastids, ribosomes, the cytoskeleton and the nucleus. Python compares cell sizes and works out why cells stay small.
3 courses
Chapter 6Contains Standard content
Biomolecules, Enzymes
A bowl of rice, a piece of paper and a strand of your own hair look nothing alike, yet burn to the same few elements. Living things are built from a small set of molecules: sugars, fats, amino acids and nucleotides, joined into starch, proteins and DNA. In this chapter you analyse what a cell is made of, see how the building blocks join, learn how proteins fold and nucleic acids store information, and meet the enzymes that run every reaction in the body. Python counts atoms, builds peptides and fits enzyme curves.
4 courses
Chapter 1
Cell Structure and Organelles, Transport Across the Cell Membrane
You are made of cells, and so is a tree and a mushroom. What is inside one cell? How does it eat, breathe and keep its shape? In this chapter we look at the cell, its parts and the jobs of the parts. Then we see how water and food move in and out. We use Python to measure cells and to watch particles spread.
2 courses