Which one of the following statements is the most accurate comparison of human, bacterial and fungal cells? (May answer is LETTER C but i am not sure hope somebody can help me ) A. Human and fungal cells have similar ribosomes, whereas bacterial ribosomes are different. b. Human and fungal cells have similar cell wall, in contrast to bacteria whose cell wall contains peptidoglycan. c. Human cells undergo mitosis, whereas neither bacteria nor fungi do. d. Human and bacterial cells have plasmids, whereas fungal cells do not have.
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- Match the terms with their correct descriptions. a. Many cells adhering to each other after division forming a small or possibly large mass of cells. May have other regular geometries like sets fo 4 cells. b. Spherical cells c. Many cells adhering to each other after division, end to end forming a long string of cells d. Cell membrane surrounded by a thick peptidoglycan cell wall e. Elongated or cylindrical cells with spherical ends f. Corkscrew or twisted elongated cells g. Cell membrane surrounded by a thin peptidoglycan cell wall which is then surrounded by an outer cell membrane 1. Cocci 2. Bacilli 3. Spirilli 4. Gram + 5. Gram - 6. Filamentous 7. ClumpedWe will perform a gram stain on our samples, so be sure to bring your instructions on gram staining. Will this procedure stain all cells? A. Yes, all prokaryotic and eukaryotic cells will be stained purple or pink. B. All prokaryotic cells will be stained. Eukaryotic cells will not be stained. C.Mycobacteria and a few other groups with special cell wall structures will not be stained. All other prokaryotic cells will be stained. Eukaryotic cells will be stained pink. D. Mycobacteria and a few other groups with special cell wall structures will not be stained. All other prokaryotic cells will be stained. Eukaryotic cells will be stained purple.Which of the following best distinguishes a prokaryotic cell from aeukaryotic cell?a. Prokaryotic cells have a cell wall, but eukaryotic cells never do.b. Prokaryotic cells are much larger than eukaryotic cells.c. Prokaryotic cells have flagella, but eukaryotic cells do not.d. Prokaryotic cells do not have a membrane-bound nucleus,but eukaryotic cells do have such a nucleus.e. Prokaryotic cells have ribosomes, but eukaryotic cells do nothave ribosomes.
- What do you call a finger-like projection that arises from epithelial layer in some organs that helps to increase surface area allowing for faster and more efficient adsorption? A. cillia B. flagella C. microvilli D. villi Cell modification is the change in the structure of cell to carry out specialized function. Which of the following words will BEST describe the cell modification? A. alteration B. differentiation C. evolution D. mutation You learned that cells are structurally modified so that they can perform their function efficiently and effectively. Which of the following structures have specialized functions due to cell modification? I. Guard cells II. Haemoglobin Trichomes Xylem vessels III. IV. A. 1, II and III B. I, II and Iv C. I, III, and IV D. I, II, III and IV Which of the following statements best illustrate the adaptation and function of nodified cell? A. The xylem in the leaf helps the leaf to be positioned horizontally towards the sun. B. The hair-like structure in…Which of the following is true? a. Prokaryotic cells are smaller in size but metabolically more complicated. b. Eukaryotic cells are compartmentalized and with the DNA (genetic material) found in the nuceloid.According to the theory of endosymbiosis, organelles, like mitochondria and chloroplasts, were once free-living cells that were absorbed into another cell. The relationship benefited both cells to stay together. What evidence do scientists observe today that supports the theory of endosymbiosis? Select all that apply. a There are ribosomes found inside mitochondria and chloroplasts just like there are inside cells. b Looking inside mitochondria and chloroplasts, one will find that they each contain their own DNA. c Mitochondria and chloroplasts are found inside all cell types. d Mitochondria and chloroplasts each have a membrane around them just like a cell would.
- Describe how the size of prokaryotic cells compares to that of eukaryotic cells. A. they are about the same size B. prokaryotic cells are larger than eukaryotic cells C. eukaryotic cells are larger than prokaryotic cellsThe cells labeled A came from a human cheek. The cells labeled B came from an aquatic plant called Elodea. Which is a difference you can see in these images? 1. there is only one cheek cell but many Elodea cells 2. the cheek cells have organelles, the Elodea cells do not 3. all these choices are correct 4. the cheek cells are eukaryotic, the Elodea cells are prokaryotic 5.the cheek cells have no cell wall, the Elodea cells doMatch the term with the definition A. Capsid B. Mitochondria C. Ribosome D. Envelope E. fimbrae F. Eukaryotic cell membrane G. Flagella derived from a host cell’s cell membrane Structure that encloses the genetic material of a virus acts as a selectively permeable membrane Organelle in which ATP is produced Structures used by bacteria for attachment organelle that performs protein synthesis Structures used by bacteria for motility
- For items 6-15 choose the letter of the best answer. No more explanations. 6. How does a cell wall functions as protection for the cell? A. It protects the cell from insects. B. It controls passage of substances C. It maintains cell shape during excess water in cells D. It contains genetic material 7. It is an organelle for assembling ribosomes with genes for rRNA synthesis. A. Chromosomes B. Mitochondria C. Nucleolus D. Ribosomes 8. Why do phospholipids tend to organize into a bilayer in an aqueous solution? A. it hides its tail from water B. It hides its tail like a dog C. It arranges itself like a comb D. Its saturated fatty acids are straight 9. Which of the following matches with a microtubule's function? A. Cellular respiration B. Digestion C. Movement D. Photosynthesis 10. Which structure clearly distinguishes a eukaryote from a prokaryote? A. Chloroplast B. Flagella C. Nucleolus D. Vacuole 11. Which organisms have the smallest size of cells? A. Animals B. Humans C.…Chlamydomonas reinhardtii is a good model organism for studying cilia and flagella because: A. It is small and easy to maintain in a lab. B. The flagella can change how they beat, symmetrically and asymmetrically. C. C. reinhardtii Flagellar proteins show high similarity and identity to human flagellar proteins. D. All of the above.Match the following questions about Eukaryotic microorganisms to the "BEST" possible answer... A. Spore forming which often make unseptate hyphae B. Spore forming which often make septate hyphae and reproduce sexually C. Lack mitochondria and flagella but form cysts and possess mitosomes D. Spore forming and possess mitochondria as well as flagella E. Spore forming which often make septate hyphae and reproduce asexually F. Intercellular and intracellular organisms with common clamp connections G. Intercellular organisms with rare clamp connections H. Cyst forming and possess mitochondria as well as flagella I. Spore forming which often make unseptate mycelium J. Lack mitochondria and flagella but form spores and possess mitosomes 1. Microsporidia 2. Chytridiomycota 3. Zygomycota or Mucorales 4. Glomeromycota 5. Ascomycota 6. Basidiomycota 7. Pucciniales or Uredinales 8. Ustilaginomycetes 9. Giardia intestinalis 10. Dinoflagellate