I. Cellular Biology
They are important because your body and every other living thing/organ is made up of cells. they are the building blocks of life (aka basic unit). an analogy would be an atom to a molecule or any other object. the atom is the smallest you can go and still be an element. a cell is the smallest you can go and still have something living.
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IV. Types Of Cells
The similarities between Prokarotic and Eukarotic cells are that they both have DNA as their genetic material. Then, they are both membrane bound and both have ribosomes. They also have similar basic metabolism. Both of the cells are amazingly diverse in forms. Next, the differences are Eukaryotic have a nucleus, while Prokaryotic cells do not. Second, Eukaryotic cells have a membrane, bound organelles. Last, Eukaryotic cells are on average, ten times the size of Prokaryotic cells.
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II. How Big Are Objects In The Biological World?
The size of the head of a pin is about 2mm in diameter, which is pretty small. On top of the head, there are cells, bacterias, viruses, and other things that are invisible to the naked eye. This is a list of things that sit on top of the head of the pin . Human hair, Dust mite, Ragweed pollen, Lymphocyte, Red blood cells, Baker's yeast, E. coli, Staphylococcus, Ebola virus, and Rhinovirus.
III. Levels Of Organization
- Atom: Smallest unit of an element that retains the elements properties.
- Molecule: Two or more atoms of the same or different elements joined together to form molecules.
- Cells: Smallest unit that can reproduce and live on its own.
- Tissue: Cells of certain types and porportions that interract in some task.
- Organ: Various interracting tissues working in one way or another.
- Organ System: Organs that, physically and chemically, work together to make a function.
- Organism: A living thing that consists of tissues, organs, and organ systems.
- Population: A group of the same cells occupying a certain area.
- Community: All populations of certain species that are in a specific location.
- Ecosystem: A physical environment that has an interacting community.
- Biosphere: Planet Earth and it's life. Earth's water, crust, and atmosphere holds organisms in it.
V. Compare and Contrast Prokaryotic and Eukaryotic
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Eukaryotic Cells
1.Has a nucleus
2. Multiple chromosomes 3. Have a yeast 4.Chloroplast 5.Mitochondria |
VI. Visualizing Cells
We are using a compound microscope to visualize cells.
- What are the advantages of using a high-power objective lens? That you can see the object bigger and more clearly.
- What are the disadvantages of using a high-power objective lens? You can only see one part of the cell and if you move the coarse adjustment knob you lose the object.
- Could a bacterium injure a plant by surrounding a plant cell and consuming it? By entering a plant cell? Explain your answer. [Teacher Reference Link> | Bacterial Endocytosis>] No because it is too small to consume it but it can harm the plant cells.
- How are images altered by the microscope when viewed? How does the image move when the slide is adjusted? (Reference Link>) The images are seen opposite when you move right it moves left, when you move up it moves down.