A virus's ability to infect an animal cell depends primarily upon the "<span>presence of receptor sites on the cell membrane"
Hope this helps!</span>
Mechanical is. the digestion that occurs
Answer:
Explanation:
A paradigm shift is a major change in the concepts and practices of how something works or is accomplished.
A paradigm shift very often happens when new technology is introduced that radically alters the production process of a good or service.
Although the idea of paradigms has been around for quite some time, the concept was explored by physicist and philosopher Thomas Kahn Kuhn.
They stay in deeper warmer water and move allot and eat a lot of bait food
Answer:
prevents secretion of upper air passage
Explanation:
to prevent foods and drinks from falling down the airway which is called aspiration and may lead to pneumonia
