12 Questions
What is a defining characteristic of animal cells compared to plant cells?
Irregular shape
Which type of cell is known to be the earliest on earth?
Prokaryotic
Which organelle is responsible for cellular energy exchange in eukaryotic cells?
Mitochondria
What is the main difference between prokaryotic and eukaryotic cells regarding their nucleus?
Eukaryotic cells have a defined nucleus surrounded by a nuclear membrane.
Which type of cell has a cell wall in addition to a cell membrane?
Plant cells
What is the function of cyanobacteria among prokaryotes?
Perform photosynthesis
What is the fundamental structure of the cell membrane?
A phospholipid bilayer
What is the main function of the cell membrane?
Selective transport of molecules
Why are cell membranes known as semi-permeable or selectively permeable membranes?
They selectively allow certain substances to pass through
What do proteins embedded within the phospholipid bilayer of the cell membrane do?
Carry out specific functions, including selective transport of molecules
How does the cell membrane contribute to the protection of a cell?
By regulating the transport of materials in and out of the cell
Which term describes the lipid bilayer of the cell membrane's ability to allow only certain molecules to pass through?
Semipermeable or selectively permeable
Test your knowledge on the structural and fundamental unit of life - the cell. Learn about the classification of cells as eukaryotic and prokaryotic, with a focus on prokaryotic cells such as Bacteria and Archaea.
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