What is a pathogen? - MyTutor
A pathogen is a microorganism that causes a disease. Pathogens spread communicable diseases meaning that they are transmitted person to person and are infectious. Types of pathogens …
How can white blood cells defend against pathogens? (Give …
If we get infected again by the same pathogen in the future, the white blood cells can produce the antibodies so quickly to kill the pathogens before they make us ill. Producing antitoxins: …
What is phagocytosis and what steps are involved? | MyTutor
The phagocytes have several receptors on their cell surface membrane that allows them to bind to chemicals found on the surface of the pathogen. 6. 6. The phagocyte will then engulf the …
Explain the process of phagocytosis - MyTutor
Once the pathogen is located by the macrophage cell, invagination of the membrane begins. The macrophage cell will engulf the pathogen as the membrane invaginates, forming a pouch …
What is the difference between the primary and secondary
The Primary Immune Response occurs at first contact with the pathogen. The body takes several days to build up a sufficient amount of antibodies. There is a three-pronged attack in response …
Describe how pathogens cause infections and describe how …
They can also produce antibodies to destroy particular pathogens and antitoxins to counteract any toxins produced by the pathogen. Memory cells can form which then confer immunity to that …
Pathogenesis: what is the process of pathogenesis and how …
The organism enters the body by one of the entry routes (in this case oral) and is taken up by the epithelial cells of the stomach. Here a host specific receptor-ligand reaction occurs, whereby …
What is a pathogen? and how does it cause disease? | MyTutor
Pathogens are microorganisms that cause disease. They may be bacteria, viruses, protists or funghi. They can infect animals and plants, causing a wide range of di...
How does a white blood cell ingest and kill a bacteria?
These enzymes are called lysozymes. After destroying the engulfed baceria, antigens from the pathogen are moved to the outside of the cell membrane, allowing the phagocyte to become …
Describe the process by which a pathogen is destroyed after …
Describe the process by which a pathogen is destroyed after it has become attached to the surface of a phagocyte. Pathogens are first recognised as a foreign body by the antigens on …