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Biology Cell Report

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Biology Cell Report - Page Text Content

BC: By Ethan and Henry

FC: The Cell AwarnessProgram | (C.A.P)

1: It was the collaborative effort of these four scientists (Hooke, Schwann, Virchow, and Schleiden) that spawned Cell Theory. Over the course of the 1800's and early 20th century, various experiments involving cells were preformed. It is these experiments that lead the joined group of Robert Hooke and Theodor Schwann to draw the conclusions that make up Cell Theory. Over time, more facts were added to the theory making up the modern day version.

2: The basics of Cell Theory include the following key points: 1. All living things are made of cells 2. Cells are the basic units of life 3. Cells come only from other cells

3: Cell Types | Now, not all cells are the same. They can be categorized underneath 2 types of cells: Prokaryotic and Eukaryotic. A Prokaryotic cell has no nucleus and has little free space within the cell due to its small size. Eukaryotic cells, however, have a nucleus and have much more free room inside of the cytoplasm than the Prokaryotic because of its much larger size.

4: Cell parts and functions | There are many components to a cell that help it maintain a constant state. These components are called organelles. These organelles are just like the organs in a persons body, they are used to carry out certain tasks in order to maintain homeostasis.

5: Nucleus- Stores the genetic, DNA, information for the cell to use Ribosomes- These organelles produce protein for the cell/body to use Endoplasmic Rectulum(ER)- This carries proteins and other material in between parts of the cell Mitocondria- Produces the energy that cells need Cell Membrane- This regulates objects that come in and go out of a cell Vacuolse- Store water, food, waste, and other materials in the cell Chloroplasts- Captures energy from the sun in order to produce food (found only in plant cells) Centrioles- They reside near the nucleus and are involved in cellular division Golgi Apparatus- This organelle modifies, sorts, and packages proteins from the ER for storage or secretion Cysosomes- These small spheres contain all of the cell's digestive enzymes

6: The Cell Membrane | The cell membrane is the organelle that allows objects to pass in an out of the nucleus. It is the gateway that keeps out harmful or inorganic things while allowing organic materials and ions in to the cell. This is not to be confused with a cell wall which is found only in plant cells. The cell membrane is a softer cover for the cell and is not as thick as a cell wall.

7: Now, you may be wondering what all of these organelles really are for in the body. They are really used to maintain our bodies internal balance, otherwise known as homeostasis. Homeostasis is the way our body regulates itself in order to live and sustain optimal conditions. This process is constantly going on within our bodies. Take for example the human body temperature. In order to maintain this, our body must keep the gland that raises and decreases temperature in check so that we don't overheat and die or be killed of hypothermia. | Homeostasis For Dummies

8: When comparing plant cells from animal cells you notice that the both have a wall to protect them from outside invaders and to contain the organelles, though both of the cells allow for different items to be held inside them. The plant cell is specifically meant to hold organelles such as the central vacuole, which takes most of the cells space, and what makes it stand up. The reason it can do this is because of its cell wall and the vaculose. When the vaculose becomes full of water, waste, or other materials, it gets bigger, causing more pressure in all directions, allowing the plant to stand up. Both animal and plant cells have a cell membranes but only plant cells have a cell wall. This cell wall is a mixture of compounds that allow it to hold together better. This is why when you take a bite into a stick of celery, a carrot, or spinach, it makes a crunch noise. Also, plant cells have these little organelles called chloroplasts. These chloroplasts absorb the energy from the sun and allow for photosynthesis to occur. This is one of the reasons that humans cannot carry out the process of photosynthesis. | Animal vs Plant Cells

9: By now, we hope you realize the importance of cells and the men who are responsible for discovering them. Cells often go unnoticed and unappreciated, but in listening to this presentation, you have made a significant difference in cell awareness. Now maybe they will get the credit they deserve. They're the reason your alive you know. | To Sum Up

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  • By: Ethan L.
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About This Mixbook

  • Title: Biology Cell Report
  • Ethan and Henry's cell report
  • Tags: None
  • Started: over 6 years ago
  • Updated: over 6 years ago