Answer: A. a molecule that reacts specifically with an antibody or immune lymphocyte.
Explanation:
An antigen is a foreign body that enters inside the other host body it initiates an immune response. As a result of action of immune response the antibodies are produced. The antibodies are the proteins which fights against the antigen. The antibodies are produced by the white blood cells or lymphocytes. The antigen can be in the form of chemical agents, pollen, pathogens such as bacteria and viruses.
Pluto’s active geology and dynamism is what allows for it to have an interior ocean, a multilayered atmosphere, organic compounds and evidence of ancient lakes and multiple moons. According to Metzger, the only planet that has more complex geology is planet Earth.
Answer:
D is the right answer.....
Answer:
Option A, Rabies virus
Explanation:
Complete Question
A scientist discovers a new virus with a linear, RNA genome surrounded by a helical capsid. The virus is most likely a member of which family based on structure classification?
1. Rabies virus
2. Herpesviruses
3. Retroviruses
4. Influenza viruses
Solutions -
Genetic material can be linear or circular. It is linear and single stranded in viruses such as rabies, smallpox, retroviruses etc. Rabies virus has enveloped helical capsid. Retrovirus though have a linear RNA but possess a hexagonal capsid with 12 pentamers enclosed with in a shell. Genome structure in influenza virus is segmented and herpes virus is a DNA virus.
Hence, option A is correct
The weather fronts are responsible for the movement of weather across the united states and canada