Answer:
An antibody is a blood protein in response to and counteracting a specific antigen. Antibodies combine chemically with substances that the body recognises as alien, such as bacteria, virsues and foreign substances in the blood.
- An antigen is a large moleule on the outside of a cell
- All living cells have antigens on the surface of their plasma membrane- These identify cells as"self' within the immune system
- Cells from the same individual have the same antigens while cells from different indivudial have different antigens
- A/B/O blood groups are related to antigens
Explanation:
Answer:
A
Explanation:
because she starts smoking just before many of her classmates do
Answer:Mononucleosis is a disease that tires and weakens the body.
Explanation:
Mononucleosis is a disease that tires and weakens the body.
It is caused by a contagious virus that is transferred through direct contact.
Which would be the best explanation of how Tobias contracted mononucleosis?
Tobias never exercised and was more susceptible to the virus.
As a male, Tobias has a better chance of getting mononucleosis.
Tobias inherited the gene from his parents.
Tobias drank from a water fountain that was contaminated.
If i had to guess id say B.
They could be starting to build muscle.
