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Biology Asked by a SnapAndSolve user · about 1 hour ago

Prokaryotes are single-celled organisms that lack a __________. 56. Identify the object and label the...

55. Prokaryotes are single-celled organisms that lack a __________.
56. Identify the object and label the structures above:
57. What is a flagellum and what is its function?
58. Describe binary fission.
59. What is nitrogen fixation?
60. Why is nitrogen fixation important?
61. Why is recycling of nutrients and important function of bacteria?
62. What do antibiotics do?
63. The C__________ is a shield made of proteins that protects the N__________ A__________.
64. What is a host?
65. How do viruses reproduce?
66. In a Lytic Infection, Do the symptoms appear immediately? Does it stay with you for life? Why?
67. In a Lysogenic Infection, Do the symptoms appear immediately? Does it stay with you for life? Why?
68. The process by which the viruses burst out of the cell is called __________.
69. What is a vaccine?
70. What is a pathogen?

Answer

55. Nucleus

56. The object is a bacterium. The structures are typically labeled as follows: A - Flagellum, B - Pili, C - Cell Wall, D - Plasma Membrane, E - Cytoplasm, F - Ribosome, G - Nucleoid.

57. A flagellum is a whip-like structure that allows a cell to move. It functions as a locomotive organelle in many bacteria.

58. Binary fission is a method of asexual reproduction in which a single organism divides into two parts, each of which becomes a separate organism.

59. Nitrogen fixation is the process by which nitrogen in the Earth's atmosphere is converted into ammonia or other molecules available to living organisms.

60. Nitrogen fixation is important because it is essential for the synthesis of amino acids and nucleotides, which are the building blocks of life.

61. Recycling of nutrients is important because it helps maintain ecosystem stability by decomposing organic matter and releasing nutrients back into the environment.

62. Antibiotics are substances that kill or inhibit the growth of bacteria, helping to treat bacterial infections.

63. The Capsid is a shield made of proteins that protects the Nucleic Acid.

64. A host is an organism that harbors a virus or parasite, providing it with nutrients and a place to reproduce.

65. Viruses reproduce by infecting a host cell and using the host's cellular machinery to replicate their genetic material and produce new virus particles.

66. In a Lytic Infection, symptoms appear immediately as the virus replicates quickly and destroys the host cell. It does not stay with you for life because the virus is eliminated after the infection is cleared.

67. In a Lysogenic Infection, symptoms do not appear immediately as the viral DNA integrates into the host genome and can remain dormant. It can stay with you for life because the viral DNA can reactivate later.

68. The process by which the viruses burst out of the cell is called Lysis.

69. A vaccine is a biological preparation that provides active acquired immunity to a particular infectious disease.

70. A pathogen is a microorganism that causes disease in its host.

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