BIO 175 EXAM 3 QUESTIONS WITH 100%RATED
ANSWERS 2024/2025 LATEST UPDATED/GET A+
T/F Chemotaxis is when a lysosome and a phagosome fuse together - False
T/F T cells produce antibodies - False
A biological vector is an animal that is necessary for the completion of a microbes life cycle -
True
Herd immunity is thought to benefit a population because: - It helps to prevent epidemics, it will
reduce the chance of non-immine individuals will contract or spread an infection, mass
immunization protects certain groups
The degree of ability of a microbe to cause a disease in another organism - Virulence
The ability of a disease-causing organism to be spread between individuals - Communicable
Mounted response against a specific, recognized foreign molecules - Immunity
Sign of inflammation that is caused by the leaking or swelling of tissue as phagocytes clean up
debris and attempt to destroy pathogens in the inflamed area - Tumor
When the normal flora does not allow an "intruder" microbe to attach and inhabit - Microbial
antagonism
Sources include: skin and mucus membranes, respiratory tract, urogenital tract, and the placenta -
Portals of entry
Use of fimbrae, surface proteins, capsules, or specialized receptors - Attaching to the host
Sources include: respiratory tract, salivary glands, skin cells, fecal matter, and blood - Exiting the
host
Use of biofilms, antiphagocytic factors, leukocidins, and or avoidance - Surviving the host
defenses
Use of extracellular enzymes such as exoenzymes and bacterial toxins such as endotoxins -
Causing infection/disease
Hyaluronidase - Digests ground substance
Mucinase - Degrades mucous membranes
ANSWERS 2024/2025 LATEST UPDATED/GET A+
T/F Chemotaxis is when a lysosome and a phagosome fuse together - False
T/F T cells produce antibodies - False
A biological vector is an animal that is necessary for the completion of a microbes life cycle -
True
Herd immunity is thought to benefit a population because: - It helps to prevent epidemics, it will
reduce the chance of non-immine individuals will contract or spread an infection, mass
immunization protects certain groups
The degree of ability of a microbe to cause a disease in another organism - Virulence
The ability of a disease-causing organism to be spread between individuals - Communicable
Mounted response against a specific, recognized foreign molecules - Immunity
Sign of inflammation that is caused by the leaking or swelling of tissue as phagocytes clean up
debris and attempt to destroy pathogens in the inflamed area - Tumor
When the normal flora does not allow an "intruder" microbe to attach and inhabit - Microbial
antagonism
Sources include: skin and mucus membranes, respiratory tract, urogenital tract, and the placenta -
Portals of entry
Use of fimbrae, surface proteins, capsules, or specialized receptors - Attaching to the host
Sources include: respiratory tract, salivary glands, skin cells, fecal matter, and blood - Exiting the
host
Use of biofilms, antiphagocytic factors, leukocidins, and or avoidance - Surviving the host
defenses
Use of extracellular enzymes such as exoenzymes and bacterial toxins such as endotoxins -
Causing infection/disease
Hyaluronidase - Digests ground substance
Mucinase - Degrades mucous membranes
