Select the choice that identifies the organism described in the following statement: The organism is heterotrophic, has cells with cell walls, and is a eukaryote. Question 24 options: a) Archaea b) Fungi c) The protist called an amoeba d) Plantae
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- Select the choice that identifies the organism described in the following statement: The organism is heterotrophic, single celled, and a eukaryote. Question 22 options: a) An amoeba b) Archaea c) Hydra d) BacteriaThe organisms with only one cell in their body are : A)blue green algae B)Mitochondria C)cell wallQuestion 11 Which of the following organelles is NOT found in both plant and animal cells? a) ribosomes b) mitochondria c) centrioles d) Golgi apparatus e) more than 1 of the above Question 12 There are four elements that make up all amino acids. Two of these are carbon and hydrogen. The other two are: a) sulfur and oxygen b) phosphorus and oxygen c) sulfur and nitrogen d) phosphorus and nitrogen e) nitrogen and oxygen Question 13 In the response to raising the pH of the blood: hydrogen ions are donated carbon dioxide is kept in the blood bicarbonate ion is expelled from the body carbonic acid is made more than 1 of the above
- Choose one prokaryote (bacteria or archaea) AND one protest. You can choose a species or more general taxonomic group of interest. Then address the following questions for each. 1. What does the organism look like? Describe or include an image. 2. How does it obtain energy? 3. How does it reproduce? 4. What are its close relatives in the tree of life? 5. Why is it important from a human perspective?Using bright-field microscopy to look at a slide prepared with a basic dye you observe cells with a clear inner compartment within the cell at 400X magnification. The cell is most likely a(n) A) prokaryote. B) bacterium. C) archaeon. D) eukaryote.Name two cellular different characteristics/structures that you can use to differentiate prokaryotes from eukaryotes. a. b.
- You are studying amoebas and paramecia, two different single-celled protozoans. You have at your disposal a standard white light (known as "bright-field") microscope, a fluorescence microscope, a scanning electron microscope, and a transmission electron microscope. For each of the following studies, indicate which type of microscope would be most useful. Items (6 items) (Drag and drop into the appropriate area below) Take movies of unmanipulated cells swimming or crawling in a drop of water. Categories View three- dimensional images of the outer surface of a paramecium, including cilia. bright-field Drag and drop here View cytoplasmic streaming (movement of organelles within the cytoplasm) in a paramecium. fluorescence Drag and drop here Stain and visualize chromosomes and mitotic spindles in dividing amoebae. Visualize ribosomes in the cytosol and mitochondria of amoebas. scanning electron Drag and drop here Use labeled antibodies to locate and make color images of lysosomes in both…They have no nucleus and are the most numerous organisms on Earth (2pts) Question 48 - They have no nucleus and are the most numerous organisms on Earth Select bacteria as your answer bacteria Select fungi as your answer fungi Select archaea as your answer archaea Select animals as your answer animalsIn the early 1930s, G. F. Gause carried out a series of experiments using two species of ciliated protists (Paramecium), which are single-celled eukaryotic protozoans. The protists were cultured together and separately, with the bacteria being the single food source. The results are shown in the figure below. (a) Based on figure, identify and explain the interaction that is taking place between P. caudatum and P. aurelia. (b) Clam shrimp, a natural predator to P. caudatum, is introduced to the culture containing both P. caudatum and P. aurelia after 24 days. Predict the impact that the clam shrimp will have on the culture and the populations. Justify your prediction.
- THIS IS A MULTIPART QUESTION, PLEASE ANSWER ALL QUESTION Using the image: 5. Identify whether the organism is a green alga, a diatom, a dinoflagellate, Eubacterium, or a Cyanobacterium. Explain the characteristic(s) that led you to that identification. 6. a. What type of microscopy (brightfield, darkfield, or phase contrast) was to obtain the image? Explain how you can tell. b. Name a different type of microscopy would be also appropriate to use to visualize the organism in the image. How would the image change if you used that type of microscopy instead? 7. The image was taken using a microscope that has 10X, 40X, and 100X objectives. What is a possible magnification for the ocular lens on this microscope? Explain your response or show calculations.Marshall was walking in the woods when he found an interesting organism . It had a thick , non - woody stem and long, thin green leaves . The underside of each of the leaves was covered with round , brown spores . Which set of characteristics can Marshall apply to his discovery ? A It is eukaryotic , autotrophic , and multicellular . B It is eukaryotic , heterotrophic , and multicellular .In the diagram below, identify the structures of a cyanobacterial cell based on the following descriptions: a) Outer cellular covering which includes: Mucilaginous layer – outermost layer covering the cell wall; protects the cell from harmful factors of the environment Cell wall – found just below the mucilaginous layer; 2 or 3-layered, the inner layer lies in between the outer wall layer and plasma membrane; the outer layer is made of peptidoglycan Innermost plasma membrane – selectively permeable membrane enclosing the cytoplasm b) Cytoplasm – found below the plasma membrane; the protoplasm which contains structures of different shapes and functions. Lamellae, which contain pigments such as chlorophylls, carotenes, xanthophylls, phycoerythrin and phycocyanin, are located in the peripheral region of cytoplasm. Ribosomes may also be found scattered in the cytoplasm. c) Nucleic material – the nucleoplasm that is centrally located in the cell and contains chromatin in the form…
