Antigens are proteins that are found on the surface of the pathogen and are viruses, fungi, or bacteria. Nonliving substances such as toxins, chemicals, drugs, and foreign particles. Antigens are usually carried by proteins and polysaccharides, and less frequently, lipids but it also needs to be attached to a large carrier molecule which is usually a protein. When an antigen enters the body, the immune system produces antibodies against it. The Antigen stimulates the immune system to produce antibodies. YOUR WELCOME ;)
The rock is heavy because the mass changes from 10.0kg to 100.0kg in 3.24 seconds
Answer:
All of the above
Explanation:
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<span>BACTERIA
Gram-positive bacterium used widely for industrial production of fermented dairy products such as milk, cheese, and yogurt-</span><span><span>Lactococcus lactis</span> </span>