The plasma membrane is flexible and is made up of organic molecules called lipids and proteins.Plasma membrane is the outermost covering of the cell that separates the contents of the cell from its external environment.It can be observed only through an electron microscope.Cell membrane is also called the plasma membrane.With the discovery of the electron microscope in 1940, it was possible to observe and understand the complex structure of the cell and its various organelles.Presented The cell theory, that all the plants and animals are composed of cells and that the cell is the basic unit of life. The ability of single cell organisms to assemble into multicellular organisms is a key characteristic of some fungi.Discovered and coined the term cell in 1665 Multicellular filamentous moulds, macroscopic filamentous fungi often referred to as mushrooms, and single celled mircroscopic yeasts. When people think of fungi, they will usually think of the multicellular mushrooms we commonly see and buy from supermarkets. They contain chitin, a hard substance also found in the hard exoskeleton of some insects. Cell wall composition is different to plants and animals. They exist as both multicellular organisms and single cell organisms (yeast).
Plants on the other hand use the power of the sun to capture the energy using photosynthesis.įungi are distinct to both animals and plants. Energy is generated from ingesting food which is broken down by enzymes to release this form of energy. Like all more advanced lifeforms, humans have a complex range of bodily functions to regulate them. These animals and plants can be classified into many categories and humans are one of these.
Single cell organisms exist, but multicellular organisms have evolved over millions of years.
Cells are formed from the cascade of events that occur such as transcription and synthesis of proteins from which the cells are built from. Please feel free to download and use.īiology is the natural science that studies living organisms. These powerpoint presentations have been made by teachers and experts for different topics of Biology.
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