Pathogens can adapt more quickly than hosts since they have higher populations and faster generation periods.
Pathogens, of course, have the advantage in this evolutionary game because they can change far more quickly than the hosts—especially in long-lived animals like humans—due to their high population numbers and rapid generation rates. The relationship between surface area and complement activation shows how bacterial pathogenicity may be influenced by tiny size. The region of the microbial surface may also have a role in their action since other antimicrobial agents are focused there. A pathogen reacts with the host and creates infection, which results in the host being ill. Any dangerous microbial agent, including bacteria, viruses, protozoa, fungi, and helminths, might be considered a pathogen.
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The correct option is C.
The hypothalamus is an area of the brain which contain a number of nuclei which have varieties of functions. The hypothalamus link up the nervous system and the endocrine system through the pituitary gland in the brain. The hypothalamus is responsible for the secretion of orexin hormone, which regulates appetite, wakefulness and arousal. Hypothalamus is also responsible for monitoring the secretion of other appetite hormones.<span />
Answer:
A person's mass will be the same on Jupiter and Earth, a person's weight will be greater on Jupiter than on Earth.
Explanation:
Mass is universal, meaning it can't change, but weight is used to measure how heavy something is, so, on a planet like Jupiter, since the gravity is more, you'll weigh more there.
Answer: Mast cell
Explanation:
Type 1 hypersensitivity can be defined as an reaction( allergic) which is generated through the re-exposure of the same or specific kind of antigen which is known as allergen.
Type 1 hypersensitivity is different from type II, III, IV hypersensitivity. The exposure to the antigen may be by inhalation, injection and infection.
In this case, the antibody released is IgE. During the time of sensitization, the TgE antibody binds to FCER1 receptors on the surface of mast cell and basophills.
On later exposure to the same allergen anaphylatic degranulation takes place with release of histamines and other chemicals.
