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Questions and Answers
All bacteria can multiply by budding.
All bacteria can multiply by budding.
False (B)
Viruses can be observed using a light microscope.
Viruses can be observed using a light microscope.
False (B)
Antibiotics are effective against all types of microorganisms.
Antibiotics are effective against all types of microorganisms.
False (B)
The host always benefits from the presence of bacteria.
The host always benefits from the presence of bacteria.
All bacteria are pathogenic.
All bacteria are pathogenic.
The DNA of bacteria is not replicated during division.
The DNA of bacteria is not replicated during division.
The ameba dysenterica can be found in drinking water and can cause amoebic dysentery.
The ameba dysenterica can be found in drinking water and can cause amoebic dysentery.
Trypanosomes are protozoa that have no means of locomotion.
Trypanosomes are protozoa that have no means of locomotion.
The anopheles mosquito transmits the parasite that causes sleeping sickness.
The anopheles mosquito transmits the parasite that causes sleeping sickness.
Sporozoares are a type of protozoa that are typically found in cold regions.
Sporozoares are a type of protozoa that are typically found in cold regions.
The ameba lives freely in the environment and does not cause disease.
The ameba lives freely in the environment and does not cause disease.
The movement of the trypanosome's flagella is aided by the movement of its cell membrane.
The movement of the trypanosome's flagella is aided by the movement of its cell membrane.
The insect is a simple vector transmitting the parasite.
The insect is a simple vector transmitting the parasite.
Prions are large agents, typically ranging from 100 to 200 nm in size.
Prions are large agents, typically ranging from 100 to 200 nm in size.
Prions are sensitive to heat and can be inactivated by high temperatures.
Prions are sensitive to heat and can be inactivated by high temperatures.
The immune system is only capable of defending against microbes through the innate immune response.
The immune system is only capable of defending against microbes through the innate immune response.
The immune system relies solely on certain categories of blood cells to neutralize pathogens.
The immune system relies solely on certain categories of blood cells to neutralize pathogens.
Prions are sensitive to radiation and can be inactivated by ionizing radiation.
Prions are sensitive to radiation and can be inactivated by ionizing radiation.
The complex immun is formed by the non-specific binding between an antigen and an antibody.
The complex immun is formed by the non-specific binding between an antigen and an antibody.
Plasmocytes are responsible for the production of antibodies that remain anchored in the plasma membrane.
Plasmocytes are responsible for the production of antibodies that remain anchored in the plasma membrane.
The main function of antibodies is to facilitate the phagocytosis of antigens.
The main function of antibodies is to facilitate the phagocytosis of antigens.
Plasmocytes produce a variety of different immunoglobulins.
Plasmocytes produce a variety of different immunoglobulins.
The complex immun is always soluble.
The complex immun is always soluble.
The elimination of antigens from the body is solely dependent on the action of antibodies.
The elimination of antigens from the body is solely dependent on the action of antibodies.
Lymphocytes B can directly recognize an antigen.
Lymphocytes B can directly recognize an antigen.
Macrophages are responsible for directly killing infected cells.
Macrophages are responsible for directly killing infected cells.
The formation of immune complexes involves the recognition of an antigen by lymphocytes T.
The formation of immune complexes involves the recognition of an antigen by lymphocytes T.
Lymphocytes T are responsible for producing free antibodies.
Lymphocytes T are responsible for producing free antibodies.
The activation of lymphocytes T requires the recognition of an antigen by macrophages.
The activation of lymphocytes T requires the recognition of an antigen by macrophages.
The process of humoral immunity involves the activation of lymphocytes T.
The process of humoral immunity involves the activation of lymphocytes T.
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