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1. Is the potato a living organism? Is it a live? How do you know?
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- is the potato a living organism? is it alive? how do you know?1. Under a microscope, you probably noticed that all of the onions cells were roughly the same shape whereas the squamous cells from your buccal cavity, while roundish, may have been folded or bent. What do you think keeps all of the plant cells the same shape? A) Vaucole B) Cell membrane C) Chloroplasts D) Cell wall 2. When stained with methylene blue (buccal cell) and haemalum acid (onion cell), the nuclei were the only cellular structures that stained. This has to do with the stains being cationic (positively charged). What charge do you think the nuclei are in order to be stained? A) Positive (cationic) B) Negative (anionic) C) Neutral D) Hypotonic 3. FILL IN THE BLACKS USING THE BOLDED BRACKET OPTIONS: Observable physical differences between the three types of simple epithelial tissue are that squamous epithelial cells are _________ (flat, equal, more, less, cube, column, buccal, wider), whereas cuboidal epithelial cells have _____ (flat, equal, more, less, cube, column,…1. What is spontaneous generation? 2. How did Pasteur’s experiment defeat the theory of spontaneous generation? 3. Give an example for each of the organizational levels in living things. 4. The mouse deer or pilandok has shorter fur than its counterpart deer in the Arctic region. What characteristic is exhibited in this situation? Will a mouse deer survive in cold regions? Why or why not? 5. These seeds are the start of new life, but is the seed itself alive? Use the properties of life to decide and explain.
- 5. Mitochondria are responsible for converting sugar (food energy) into ATP (cellular energy). They are found in all eukaryotic cells. Put a check mark next to the species you predict will have mitochondria. A pine tree (plant) A Salmonella (bacteria) A leopard (animal) A mushroom (fungi) A Volvox algae (protist)1. Define and briefly describe the different classes of microorganisms (including the terms Eukaryotes and Prokaryotes): 1. Eukaryotes - a. Algae - b. Fungi - c. Protozoans - 2. Prokaryotes - a. Bacteria - b. Archae - Viruses - 3. 4. Prions - 2. Define the four main types of organic molecules. Be sure to describe their function and give examples of each a. Carbohydrates - b. Proteins - c. Lipids - d. Nucleic acids - 3. What does the term PPE stand for? What are common types of PPE that are worn in the lab or hospital setting? 4. Describe two ways in which microorganisms are used by us or by scientist/industry to improve our everyday lives. This is an applied microbiology question and answers should be directed towards this rather than normal function of microbes in the environment (including our gut microflora). 5. Identify two different types of staining techniques used with light microscopy. Describe the dyes used in these techniques and why they are used.1. Name two things found in a plant cell that are not found in an animal cell and state their function and benefit for the plant cell. 2. How does the shape of a plant cell differ from that of an animal cell? Why do think there is a difference in shape? 3. What is the function of the chloroplasts? If a plant had no chloroplast, how could it obtain energy? 4. What is the function of the vacuole? Why are vacuoles much larger in plant cells than animal cells?
- 1. Viruses that do not have a lipid envelope tend to remain infectious outside the body longer than enveloped viruses. “Naked” viruses are also less likely to be rendered harmless by soap and water. Why? 2. The apicomplexan that causes malaria has a photosynthetic ancestor and contains an organelle that evolved from its ancestral chloroplast. The organelle no longer functions in photosynthesis, but it does carry out some essential metabolic tasks. Why would targeting this organelle yield an antimalarial drug that would be likely to have minimal side effects?5. When used for imaging, the wavelength of the radiation needs to be smaller than the thing being imaged. To a get a pretty good idea of what kind of radiation is needed to image something assume that the wavelength must be the size of the object or smaller. With this in mind, would visible light work well to image protozoa with a length of 10 micrometers? What about bacteria (about 1 micrometer)? How about a virus (about 0.1 micrometer)?3. The following simple rules describe how to categorize living organisms into one of five kingdoms- Monera, Protoctista, Plantae, Fungi, Animalia. a) If the organism has no cell nucleus, then it's in the Monera kingdom (more commonly known as bacteria). b) If the organism does not fit into the above category, and it is single celled, then it is in the Protoctista kingdom (molds and algae). c) If the organism does not fit into either of the above categories, and it is photosynthetic, then it's in the Plantae kingdom (plants). d) If the organism does not fit into any of the above categories, and it has a nervous system, then it is in the Animalia kingdom (animals). e) Otherwise, if the organism does not fit into any of the above categories, it is in the Fungi kingdom (fungus). Construct a flowchart that uses this categorization scheme to determine the kingdom for a particular living organism. You may assume information about an organism can be acquired using functions: hasNucleus (0).…