Theory, Cell Structures and Functions part 2
Storyboard Text
- Did you know that Cells are the basic, fundamental unit of life. So, if we were to break apart an organism to the cellular level, the smallest independent component that we would find would be the cell... So you want more? Okay Luna can you tell us what you’ve learn about cell?
- Sure why not? Haha
- Luna: So cells are the structural, functional, and biological units of all living beings. A cell can replace itself. Yet, they are known as the building blocks of life. They provide structure to the body and convert the nutrients taken from the food into energy. Various types of cells perform different functions. There are two types of cell which is the Prokaryotes and Eukaryotes. I will going to explain what is Prokaryotes it is a cell that have no nucleus. Some prokaryotes such as bacteria have a region within the cell where the genetic material is freely suspended. This region is called the nucleoid.
- They all are single-celled microorganisms. Examples include archaea, bacteria, and cyanobacteria. The cell size ranges from 0.1 to 0.5 µm in diameter.The hereditary material can either be DNA or RNA. Prokaryotes generally reproduce by binary fission, a form of asexual reproduction.It also any organism that lacks a distinct nucleus and other organelles due to the absence of internal membranes.
- Eli: I will be the one explaining that.
- Yanna: Oh wow that was so informative Luna.... How about the Eukaryotic Cell?
- Eukaryotic any cell that processes a clearly defined nucleus. It has a nuclear membrane that surrounds the nucleus, in which the well defined chromosomes are located. Eukaryotic cells also contain organelles including mitochondria, a golgi apparatus, endoplasmic reticulum and lysosomes. I will explain their meanings:Mitochondria- it is a cellular that can exchange energy.Golgi Apparatus- a secretory devicrEndoplasmic reticulum- it is a canal like system of membrane within the cell.
- Lysosome- it is a digestive apparatus within many cell types. Eukaryotic cells are characterised by a true nucleus. This broad category involves plants, fungi, protozoans, and animals. They reproduce sexually as well as asexually.There are some contrasting features between plant and animal cells. For example., the plant cell contains chloroplast, central vacuoles, and other plastids, whereas the animal cells do not.Cell StructureThe cell structure comprises individual components with specific functions essential to carry out life’s processes. These components include- cell wall, cell membrane, cytoplasm, nucleus, and cell organelles.
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