Answer:Type I interferons help protect cells from viral infection. The correct option is B.
Explanation:
Type I interferon (IFNα/β) is a type of cytokine that provides one of the first lines of host defense against viral infection.
Type I interferons act in a paracrine manner such that it have numerous effects on the surrounding cells, preparing them to ward off possible infection. The primary function is to induce protection against viruses in neighboring, non-infected cells. In the target cells they cause digestion of viral DNA and viral proteins.
The answer to the statement above is TRUE. Recently, Permafrost has been seen in the regions of Eurasia and North America even though glaciers are not even common in this area. Normally, permafrosts are found in the polar regions. These are made up of frozen thick subsurface layer of soil that has remained untouched for years.
Answer:
Carbon-14
Source: "Carbon-14 dating is a way of determining the age of certain archaeological artifacts of a biological origin up to about 50,000 years old. It is used in dating things such as bone, cloth, wood and plant fibers that were created in the relatively recent past by human activities.
" (HowStuffWorks)
Leone Lattes figured out a way to determine the type of blood from a dried bloodstain and began using the new test to criminal investigations.
Answer:
b
Explanation:
becuse its involves with the nutrients that cliq through are boddie
