Observing Cells Objectives: After completing this exercise and reading the corresponding material in your text‚ you should be able to 1. Prepare a wet mount slide 2. Identify structures described in this lab on slides 3. Cite examples of the wide diversity of cell types 4. Relate differences in structure among cells to functional differences Introduction Structurally and functionally‚ all living things share one common feature: all living organisms are composed of cells
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Out of the two organisms we looked at‚ my favorite is the Paramecium. Paramecium are grouped with protists because‚ like all protists‚ they’re single celled organisms. Paramecium fall under the Protozoa Phylum in the Protist Kingdom. If an organism is in the Protozoa Phylum category‚ that means it is a small microscopic organism‚ which Paramecium are as they can only be seen under a microscope‚ and it reproduces by binary fission (splitting in half‚ becoming two new organisms)‚ which Paramecium do
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as yeasts and molds(British English: moulds)‚ as well as the more familiar mushrooms. These organisms are classified as a kingdom‚ Fungi‚ which is separate from plants‚ animals‚protists‚ and bacteria. One major difference is that fungal cells have cell walls that contain chitin‚ unlike the cell walls of plants and some protists‚ which containcellulose‚ and unlike the cell walls of bacteria. These and other differences show that the fungi form a single group of related organisms‚ named the Eumycota (true
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Diana Rubene LS2B Abstract The chloroplast is most commonly recognized for its vital role in plant cells & protist cells as their main provider of energy. Within this review we are going to discuss what exactly is chloroplast what structures make up this complex & super efficient organelle which is so important not only to plants & protists‚ but also to us. How exactly does it absorb and use solar energy and use it to produce carbohydrates rich with energy that can be passed down the food chain‚
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The Effects of Herbicides on Aquatic Organisms Anthony Cerda John Jay Science and Engineering Academy Abstract In this experiment different herbicides were added to aquatic organisms. The organisms used were protists and bacteria which are microscopic organisms (Microorganisms). Herbicides are chemicals used to control certain plants such as weeds. Two hypotheses were tested in the experiment.H₁) The herbicides will affect the population growth rate of the microorganisms and H₂) The adding
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ocean? Or what makes a pond different from a lake? A pond is a body of standing water either natural or man made‚ that is usually smaller than a lake. Ponds contain amazing biodiversity‚ providing an environment for birds‚ fish‚ amphibians‚ alages‚ protists‚ and many many more organisms. A pond is normally much shallower than a lake‚ and sometimes plants roots can grow all the way to the bottom of the pond because the suns rays can penetrate to the bottom of the pond. It is very hard to determine the
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grew bigger. The surviving shrimp started off as being 0.8 cm and increased to 1.2 cm. This is probably because of the lack of resources and competition - survival of the fittest. Less protist of the same size were found and the water was more still due to the limited organisms living in it. The population of protists are decreasing because it is the food source of the eubranchipus (also cynobacteria). Again‚ this is because of the existence of a food
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Microorganisms and Fungi Bacteria and Viruses Viruses Vocabulary virus: A nonliving‚ infectious particle composed of a nucleic acid and a protein coat; it can invade and destroy a cell. pathogen: A virus‚ microorganism‚ or other substance that causes disease; an infectious agent. capsid: A protein sheath that surrounds the nucleic acid core in a virus. envelope: A membrane-like layer that covers the capsids of some viruses. glycoprotein: A protein to which carbohydrate
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Protista Lab Concept- the concept of this lab was to explore what is in the pond water as living organisms and try to identify what it is. Some types of Protista are multi-cellular like giant kelp. Although they look much like plants‚ multi-cellular protists lack specialized tissues. Being eukaryotes‚ they have a membrane-bound true nucleus with linear chromosomes‚ and they have membrane-bound organelles. The kingdom Protista contains all eukaryotes that are not plants‚ animals‚ or fungi. The sexual
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morphology‚ behavior‚ and molecular similarities. The classification system is based on evolutionary relationships so with each addition of new information the classification of specific organisms may change. This is particularly true of the bacteria‚ protist‚ and fungi kingdoms. Understanding these groups is essential due to their diversity and importance to life on Earth. __________________________________________________________________________ Directions and Analysis Task This activity asks you
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