The origin of cells 1.5

Life has evolved from the first cells to all the cells we find in the huge diversity of today's organisms. This topic covers the origins of cells and the cell theory proposed by Pasteur and Schwaan in an age when spontaneous generation of cells was still believed to occur.


Key concepts

Learn and test your biological vocabulary for 1.5 the origin of cells using these flashcards.


Essentials - quick revision through the whole topic

These slides summarise the essential understanding and skills in this topic. 
They contain short explanations in text and images - good revision for all students.

Read the slides and look up any words or details you find difficult to understand.

Exam style question about endosymbiosis in cells

The question below, requires an understanding of membrane transport and cell organelles, so it is a good test of biological understanding. Write an answer on paper, then check the points in the model answer below.

Outline how evidence supports the idea that endosymbiosis gave rise to eukaryotic cells. [5]

....................................................................................... ............................................................................

....................................................................................... ............................................................................

....................................................................................... ............................................................................

....................................................................................... ............................................................................

Click the + icon to see a model answer.

Summary list for topic 1.5 The origin of cells

  • The first cells must have arisen from non-living material.
  • The origin of eukaryotic cells can be explained by the endosymbiotic theory.
  • Evidence from Pasteur’s experiments falsified the theory that spontaneous generation of cells and organisms occurs.

Mindmaps

These diagram summaries cover the main sections of topic 1.5 Origin of Cells.
Study them and draw your own list or concept map from memory.

Test yourself - multiple choice questions

This self marking multiple choice quiz contains questions covering the skills outlined above.


START QUIZ!

Fun revision activity

If you can't see the content below, please click this link to the Origin of cells card match game