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What steps happen when a lymphocyte recognizes a pathogen?
When a lymphocyte recognizes a pathogen, it first binds to specific antigens on the pathogen's surface through its unique receptors. This recognition activates the lymphocyte, leading to its proliferation and differentiation into effector cells, such as cytotoxic T cells or antibody-secreting B cells. These effector cells work to eliminate the pathogen, either by directly killing infected cells or by producing antibodies that neutralize the pathogen. Additionally, memory cells are formed to provide long-term immunity against future infections by the same pathogen.
Once the body encounters a pathogen and destroys it what is created?
Once the body activated, killer T cells it recognize pathogen and destroy them. In response that will create memory B cells and T cells specific to a certain pathogen, so if it ever came back it will be killed immediately.
What recognizes a pathogen?
t cells
What are the stages of pathogen development?
Attachment: Pathogen attaches to host cells. Invasion: Pathogen enters host cells and starts to replicate. Evasion: Pathogen evades host immune response. Spread: Pathogen spreads to other tissues and host organisms. Damage: Pathogen causes damage to host tissues and organs.
What is a non living pathogen that invades body cells?
A virus is a non-living pathogen that invades body cells to replicate and cause infection.
What do plasmodium infects in the human body before causing the cells to burst?
Infection allows the pathogen to enter human cells. Without infection plasmodium or any other pathogen can not enter the cells.
Are white blood cell pathogen?
White blood cells are cells in the immune system that help defend the body against infections, including pathogens such as bacteria, viruses, and fungi. They work by detecting and destroying pathogens to protect the body from illness and disease.
How does an immune response starts after a macrophage attacts a pathogen?
The blood cells detect the pathogen The pathogens release toxins The blood cells make antibodies to fit the toxins ( they have to be a specific shape) The antibodies stick the bacteria together ready to be engulfed by he white blood cells The White blood cells remember the antibodies needed for that pathogen so they can make antibodies quicker next time the pathogen invades
Cells that remember how to make antibodies for a specific pathogen?
this is called memory B cells
The body's natural way of responding when invaded by a pathogen is?
White blood cells will attack the pathogen which can cause swelling and fever.
What is the difference between plasma cells and memory cells of B-lymphocyte?
Both are B-cells but plasma cells are the B-cells which acted on the pathogen the first time they invade the body while the memory cells are the B-lymphocytes that act on the antigen(pathogen) the second time it invades and when ever it invades the body again.Memory cells are much faster than plasma cells though plasma cells act very quickly on the pathogen once detected. but until it gets detected it needs time.Memory cells will work as soon as the pathogen enters the body before the person could even feel the symptoms.
Infected cells have some of the pathogen's proteins on their surfaces?
true
