Answer:
The third line of defence against pathogenic invasion is the adaptive immune response, which has two key qualities: It is specific (it can differentiate between specific microorganisms and respond accordingly) It is adaptive (it can produce a heightened response upon re-exposure - in other words, it has memory)
Explanation:
Answer:
The correct answer would be the virus envelope.
Viral envelope is a protective covering present around the capsid proteins in some viruses.
It is usually derived from the cell membrane of the host and thus it is composed of lipid and viral proteins.
It provides stability to the viral particle, helps in protecting the viral genome, and aids in the fusion of the virus with the membrane of the host.
Examples of viruses in which envelope is present: herpesviruses, poxviruses, flavivirus, hepatitis D et cetera.
Examples of viruses in which envelope is absent: adenoviridae
, papillomaviridae
, picornaviridae
, caliciviridae et cetera.
Endocytosis even though there are two types of this
Answer:
B
Explanation:
if you were a female and had this done to you, you would then understand.
Option C
Humid subtropical climatic zone would these trees be found
<u>Explanation:</u>
The general trees seen in Humid Subtropical areas are largely evergreen trees, shrubs, and ferns. These are no mighty conifer trees similar to pine and spruce. Largest of these evergreens are more refined. The purpose many plants hereabouts are evergreens is because of the large months of warmness and steady rain.
These shrubs have accommodated to the natural climate circumstances. Numerous broad-leaf evergreens such as palm trees and ferns are seen hither. Douglas-fir-tanoak forest usually termed "mixed evergreen forest". A rich understory of herbs, shrubs, ferns, and fungi is discovered beneath the towering redwood and other conifers
