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How do killer cells work?
Killer t cells are activated by helper t cells. The Helper t cells are alerted by the macrophage that has engulfed the virus. It grows antigens to alert the helper t cells. The killer t cells are like white blood cells, there purpose is to fight pathogens.
How a T cell and B cell work together to produce antibodies?
T cells will first have to be activated by peptide presentation on MHC class II and differentiate into T helper 2 cell and T helper 2 cell will secrete cytokines IL-4, IL-5 to help B cell differentiate into a plasma cell.
How does a B cell tell the difference between an invader cell and a body cell?
Antigens work as bar-codes to help the immune system differentiate between body cells and pathogens. Normally the body will not attack its own cells, but is programmed to attack those with foreign antigens.
What do the different types of blood cells work together to produce the immune response?
Antigens! I have this exact question for health!
What do antibodies work against?
Antigens
How do co-dominant alleles work?
Co-dominant alleles are both expressed, because both are translated into RNA. One of the best examples of co-dominance is human A/B blood type. The thing that differentiates A and B blood types is the antigens found on the surface of the blood cells. A person with two alleles for A-type antigens will have only A-type antigens, and a person with two B-type alleles will have only B-type antigens. However, a person with one A-type allele and one B-type allele will have blood type AB. A third allele, O-type, has no antigens on the surface of blood cells, and so is only "expressed" in the phenotype if a person has two O-type alleles (and therefore no antigens on their blood cells.)
Where did Bernoulli work?
bernoulli was an amazing helper
Why must blood be matched before blood tranfusion?
Mixing blood from two individuals can lead to blood clumping or agglutination. The clumped red cells can crack and cause toxic reactions. This can have fatal consequences. The differences in human blood are due to the presence or absence of certain protein molecules called antigens and antibodies. The transfusion will work if a person who is going to receive blood has a blood group that doesn't have any antibodies against the donor blood's antigens. But if a person who is going to receive blood has antibodies matching the donor blood's antigens, the red blood cells in the donated blood will clump.
Can you become a helper for the f.b.i and work with them at the age of 13?
No.
How does Karl Benz's engine work?
It was a chocolate helper.
How do drug blood tests work?
Im guessing that the testing medium contains antigens which bind to a receptor only present on the drug in question, or a range of drugs with a range of antigens.
Is it safe work as domestic helper in Romania?
A general answer is yes, but not 100 %.
