Chapter 3: Cell Structure Notes The cell is the basic unit of biologic organization of the human body Protoplasm: an aqueous colloidal solution of carbohydrates‚ proteins‚ lipids‚ nucleic acids‚ and inorganic salts surrounded by a limiting cell membrane Cells in our respiratory tract produce mucus to trap dust and microorganisms that get past the hairs in our nose then move the material to our throat to be swallowed and passed out through the digestive system The most prominent structure in the
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central vacuole (takes in water and chemicals)‚ cell wall (allows the plant to be strong enough to remain vertical)‚ and chloroplasts (turns light energy into sugars during photosynthesis) are present in a plant cell but not in an animal cell. 4.
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cell organelles found in a eukaryotic cell? • Structures include: cytoplasm‚ nucleus‚ nucleolus‚ nuclear envelope‚ cell membrane‚ mitochondria‚ Golgi bodies‚ vacuole‚ centrioles‚ ribosomes‚ and endoplasmic reticulum (smooth and rough) • Exclusive to plants: chloroplasts‚ central vacuole‚ cellulose cell wall • Exclusive to animals: lysosome‚ centrioles • Compare and contrast plant and animal cell structures • Special structures include; cilia and flagella LEQ: Number 2: What similarities and
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Cells and our government are alike in many ways‚ both are made up of smaller components which work together to maintain a stable environment. The organelles can be compared to parts of our government in the way they work together. The nucleus is the main organelle in the cell‚ it makes rna and contains dna‚ this is similar to congress because they make laws which is similar to rna. The golgi apparatus packages carbohydrates and proteins into vesicles and export them out of the cell. This can be
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multipolymer complex c. withstand very high temperatures b. come apart and re-form d. replicate itself B.2. Which of the following cellular organelles breaks down complex macromolecules‚ such as polysaccharides and proteins? a. Golgi complex b. lysosome c. rough ER d. mitochondrion A.3. The most abundant lipid in a cell membrane a. phospholipids b. steroid c. cholesterol d. chitin B. 4. When the fluid outside a cell has a greater concentration of a given molecule than the fluid inside the
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Bacteria: Nucleoid region‚ cell wall‚ plasma membrane‚ ribosomes‚ flagella Protist: Macronucleus‚ micronucleus‚ plasma membrane‚ cytoplasm‚ contractile vacuole Plant Cell: Nucleus‚ cell wall‚ plasma membrane‚ cytoplasm‚ chloroplast‚ mitochondria‚ vacuoles Animal Cell: Nucleus‚ nucleolus‚ plasma membrane‚ cytoplasm‚ mitochondria‚ golgi apparatus‚ rough ER‚ ribosome Questions 1. For each structure identified
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Biology 1010 8/27/13 Life: * Order: Pine Cone‚ Bacteria – where things are * Regulation: Regulate their internal environment * Maintain homeostasis * Ex. Breath‚ too much CO2‚ changes pH Sends message to brain * Growth and development: Definite pattern to growth and development * Directed by DNA (genetic material where the genes are found) * Energy processing: All organisms must have energy * Humans: Food (Heterotrophs = other-feeding (fungi and
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Glycolysis occurs within the ___________ and the citric acid cycle and electron transport chain occur within the _____________. A. mitochondrion‚ cytoplasm B. mitochondrion‚ plasma membrane C. cytoplasm‚ mitochondrion D. cytoplasm‚ lysosome E. plasma membrane‚ cytoplasm 18. The formation of ______ bonds involves the transfer of electrons from one atom to another nearby atom. A. covalent B. ionic C. hydrogen D. polar E. all of the above 19. In an acidic solution: A. the number of
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plant cell would mainly help the cell take in water or get rid of water‚ just like the potato did? This is also known as “osmosis.” How do you know that this organelle would help with that process? Vacuole 5) Which organelle‚ if empty‚ would cause the plant to wilt? Why is this? If the vacuole is empty the plant will because the water and the plant. Wilt 6) Name an organelle that you see in the plant cell that you did not see in the animal cell. Eukaryote 7) Why do you think
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inclusions. Organelles are highly specialized structures and often enclosed in their own membrane within the cytoplasm‚ specialised for specific activities. They include nucleus‚ mitochondria‚ endoplasmic reticulum‚ ribosomes‚ Golgi apparatus‚ lysosomes and cytoskeleton. The organelle with the largest volume is the nucleus‚ which contains the genetic material. (See Figure 1). Cell Inclusions are secretory and storage chemical substances without membranes. They include melanin‚ glycogen and triglycerides
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