Cells - Plants, Animals & Bacteria Quiz

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#1. What is the function of the cell wall?

#2. What groups of organisms belong to the domain - eukaryotes? ? Eukaryotes have a membrane bound nucleus

Select all that apply:

#3. What is the cell wall made from in bacteria?

#4. What is the role of ribosomes?

#5. What is the cell wall made from in plants?

#6. Which of the following are prokaryotes?

#7. Which sub-cellular structures can be found in animals?

#8. Bacterial cells commonly have a flagellum. What is the role of this structure?

#9. Which sub-cellular structures can be found in plants?

#10. What is the role of the nucleus?

finish

Cells are the most basic units of living organisms and they allow the processes of life to take place. Humans, Venus fly traps and E-Coli all have cells and they aim to perform similar functions. The most basic function of a cell is to provide the raw material to build entire organisms and of course this means that cells come in all shapes and sizes. Some large and some small and some frankly, a bit weird. Cells allow us to build our bodies, provide them with energy and house the DNA which holds the plans and could be called the brain of the operation. Cells are complex structures and the further you zoom in the more you will see. Subcellular structures themselves are enough to fill a PhD thesis, but fortunately what you need to know for GCSE Science is well defined in the curriculum. You need to know the names of the main subcellular structures, their roles in cells and what kinds of organisms you find them in. This means knowing whether plants, animals and bacteria have each structure in their cells. There is also the issue of specialised cells, but we will leave that for another day. 

 

For thousands of years we knew only a fraction of the complexity of life. We did not understand anything smaller than our own eyes could see. We didn’t know what caused disease and illness, we didn’t know what made up our bodies and most unsettling of all, we didn’t know how much we didn’t even know. Gradually, contributions from many natural philosophers and inventors built up over time to allow us to see the very small. First came glass, followed by lenses which were initially quite useless! Over time they improved and new ideas from revolutionary thinkers such as Robert Hooke changed the game. Even the famous Issac Newton made contributions to the physics of understanding how microscopes were to work. Microscopes ultimately became the primary tools for studying the miniscule, from geology to biology.

 

In the modern day, we have access to incredible microscopes and these tools have led to the fascinating fields of microbiology and also made enormous contributions to practical fields such as materials science and engineering. Light microscopes have reached their peak magnification and our newest tool, the electron microscope has opened the next door into the microscopic world. By using the much smaller wavelengths of electrons in order to illuminate our samples we are able to achieve a vastly higher resolution and magnification, which is required to accurately examine subcellular structures. We have learned that everywhere we look there are new species of bacteria and viruses as well as exotic forms of life such as bacteriophages and the famously resilient tardigrades. There is truly another world out there right under our very eyes. 

 

This quiz aims to supplement your knowledge of cells and microscopy. If you would like to find out more about how Discover Tutoring can help you. Use this link to contact us now