Question:
Why does the virus need a host in order to multiply?
Answer:
Use the cells' resources
Explanation:
A virus is typically a is a DNA or RNA moiety encased in a protein capsule. The capsule is usually specific to the class and type of virus and it lends to the virulence of the entity. In order for infection to be established the virus must bypass the host's immune system and it's immune response and invade a host cell. There it will incorporate it's genetic material into the hosts' nucleus and harness the machinery that it does not in itself possess in order to make multiple copies of itself. It uses the host cell's DNA replication machinery, proteins amino acids and energy among other things before it bursts out of the cell and destroys it. This continues for some time and eventually the host may perish. The virus will then be passed along to a different host where it's replication using that hosts machinery will continue.
The solar system consists of the Sun and everything that orbits, or travels around, the Sun. This includes the eight planets and their moons, dwarf planets, and countless asteroids, comets, and other small, icy objects. However, even with all these things, most of the solar system is empty space.
Answer:
A door opened onto the street, but windows always faced the courtyard for extra privacy.
. Drains were laid under the streets
Explanation:
Answer:
This is true because due to push and pull factors information is spread.
Explanation:
For example if a U.S. company moved to China for a better business opportunity then the ideas and cultural backgrounds would travel as well.
The correct answer is C) the fact that people sometimes base perceptions of quality on price (snob effect).
A well-known women's college whose tuition lagged below similar schools found recruiting difficult and enrollment falling. A substantial tuition increase was implemented, and dormitories were soon full again. This can be explained by the fact that people sometimes base perceptions of quality on price (snob effect).
In microeconomics, in the snob effect, the demand for some goods that are considered expensive are more demanded. If people that have the money to spend of something assumes that the price of the product is cheap, these people think that the product has low quality. But if the same product is expensive, they consider that the product has quality and is well worth it. That is why, in the case of the college, when the price of tuition increased, people started to trust again in the school and the dorms were full.
