Archaea contains? Choose the right answer: a. A nucleus with a virus cell b. A group of spine animals. c. Cells with a nucleus. d. A group of one-celled organisms with no nucleus in their cells.
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- What distinguishes archaea from bacteria? Select all that apply. A. Presence of a nucleoid B. Membrane enclosed organelles C. Cell wall composition D. Lack of an external capsuleArchaea cells do NOT often have: a. preferences for extreme habitats. b. specifically identifiable ribosomal RNA genes. c. Branched chains in their membrane lipids. d. Ester linkages in their phospholipids. e. Pseudomurein cell wall containing no N-acetylmuramic acid and no D-amino acids. f. circular chromosomes.1. What is the purpose of a cell wall in bacteria? A. Structure B. Protection C. Peptidoglycan production D. a&b 2. Which of the following are features of Flagella? A. Found on the cell surface B. Necessary for movement C. Found only on bacteria D. A & B E. C & D 3. Choose an answer that best describes tthe difference between a plant vs. animal cell A. Only animals have cell walls B. Lysosomes are only found in plant cells C. Plant cells have chloroplasts and mitochondria, animal cells have only mitochondria, and both organelles generate energy in the form of ATP via electron transport. D. Peroxisomes are only found in animal cells 4. Which of the folllowing organelles/complexes makes proteins? A. The Nucleus B. Cytoplasm C. Peroxisomes D. Ribosome E. Golgi Apparatus
- Which of the following microorganisms contain large amounts of peptidoglycan? a. Some viruses O b. Gram positive bacteria O c. All kinds of fungi O d. Gram negative bacteriaChoose which of the following traits are shared by archaea and bacteria? I. identical composition of the cell wall II. phospholipid bilayer of plasma membrane I. can be group as gram-positive and gram-negative IV. utilize the same macromolecules Select one: OA. Il and IV O B. I and II Oc. III and IV OD. I and IVFrom the given option below what is the community of prokaryotes surrounded by slime and adhering to a surface called, a. plasmid. b. flagellum. c. endospore. d. biofilm. 8:47 F
- Which of the following statements is correct? Please select all that apply. Select one or more: a. Parasitism between bacteria and archaea caused complex interactions that eventually gave rise to eukarya. b. While bacteria are prokaryotes, archaea are neither prokaryotic, nor eukaryotic but classified as a 3rd cell type. c. Prokaryotes are classified further based on whether they are unicellular or multicellular organisms. d. The molecular biologies of archaea and eukarya show a greater proportion of similarities than those of eukarya and bacteria. e. Prokaryotes could not make photosynthesis until chloroplast endosymbiosis evolution. f. The last universal common ancestor most likely had a primitive prokaryotic cell organization. g. Endosymbiosis of chloroplast precedes that of mitochondria.Which of the specimens is a prokaryote cell? Hint: viruses are not considered living cells A. staphylococcus and E.coli B. rhinovirus and Ebola virus C. red blood cell and lymphocyteWhich of these characteristics is shared by bacteria andarchaea? Choose more than one answer if correct.a. presence of a nucleusb. absence of a nucleusc. presence of ribosomesd. absence of membrane-bound organellese. presence of a cell wall
- Which of the following contribute(s) to the differences between the Archaea and the bacteria? O A. Archaea lack muramic acid. O B. Archaea have isopranyl glycerol ethers rather than fatty acid esters in their membrane lipids. O C. Archaea differ from bacteria in their tRNA composition, ribosome structure, antibiotic sensitivity, translation elongation factors, initiator TRNA, and DNA-dependent RNA polymerase structure. O D. all of theseHow do Gram-negative bacteria differ from Gram-positivebacteria?a. They are not pathogenic.b. Their peptidoglycan cell wall is thinner.c. Gram-negative bacteria cannot be Gram stained.d. They possess a single plasma membrane.e. Gram-negative bacteria do not photosynthesize.Use the following diagram to answers the questions. A. Is this cell Gram + or Gram -? Provide 2 pieces of evidence to support your answer. B. If treated with Gram stain, what colour would the cell above appear? Explair what does this mean. C. Which structures above could be involved in conjugation? Why conjugation is an important process for the bacteria B C