Some antigens start out as exogenous antigens, and later become endogenous ( for example, intracellular viruses ).

Some viruses express caspase inhibitors that inhibit caspase activity and an example is the CrmA protein of cowpox viruses.

Some viruses, such as bacteriophages, have developed more complicated structures due to constraints of elasticity and electrostatics.

Some viruses are enveloped, meaning that the capsid is coated with a lipid membrane known as the viral envelope.

Some viruses also use cDNA to turn their viral RNA into mRNA ( viral RNA → cDNA → mRNA ).

Some viruses also exhibit a dormant phase, called viral latency, in which the virus hides in the body in an inactive state.

Some e-mail viruses written after the Good Times scare contained text announcing that " This virus is called ' Good Times ,'" presumably hoping to gain kudos amongst other virus writers by appearing to have created a worldwide scare.

Some microbiologists also include viruses, but others consider these as nonliving.

Some bacterial viruses or bacteriophages attach to receptors on pili at the start of their reproductive cycle.

Some episomes, such as herpesviruses, replicate in a rolling circle mechanism, similar to bacterial phage viruses.

Some notable pathogenic viruses cause smallpox, influenza, mumps, measles, chickenpox, ebola, and rubella.

* Some viruses, for example, the Semliki forest virus, enter the cell through this mechanism.

Some viruses use RNA as their genetic material, rather than DNA.

Some viruses, known as oncoviruses, contribute to the development of certain forms of cancer.

Some viruses include an enzyme known as a protease that cuts viral protein chains apart so they can be assembled into their final configuration.

Some viruses Familial inheritance has been found in 4 – 14 % of cases.

Some viruses, with HIV / AIDS among them, depend on proteases in their reproductive cycle.

Some of the viruses that cause the common colds are seasonal, occurring more frequently during cold or wet weather.

Some also kill fungi ( fungicidal ), bacterial spores ( sporicidal ) and / or viruses ( virucidal ).

Some viruses take advantage of the similarity between the ". com " top-level domain and the ". COM " file extension by emailing malicious, executable command-file attachments under names superficially similar to URLs ( e. g., " myparty. yahoo. com "), with the effect that some naive users click on email-embedded links that they think lead to websites but actually download and execute the malicious attachments.

Some mail sites choose not to accept messages from such addresses, since they are often home computers exploited by spammer viruses. This can seriously inconvenience SOHO users who wish to run their own mail servers on residential ISP connections or local MTAs on laptops for example.

Some plants that are attractive to natural enemies may also be hosts for certain plant diseases, especially plant viruses that could be vectored by insect pests to the crop.

Some viruses ( such as HIV, the cause of AIDS ), have the ability to transcribe RNA into DNA.

Some viruses also encode special DNA polymerases, such as Hepatitis B virus DNA polymerase.

Some painters have less interest in the experience of the moment, with its attendant urgencies and ambiguities, than in looking beyond the flux of particular impressions to a higher, more serene level of truth.

Some of the earlier episodes have touches of the supernatural, as suited to the legendary background.

Some historians have found his point of view not to their taste, others have complained that he makes the Tory tradition appear `` contemptible rather than intelligible '', while a sympathetic critic has remarked that the `` intricate interplay of social dynamics and political activity of which, at times, politicians are the ignorant marionettes is not a field for the exercise of his talents ''.

Some of these thoughts -- not all of them -- have taken organized form in later years.

He said, `` Some have criticized your book as being neither literary criticism nor history.

Some have felt that Washington Irving comes out rather slimly, but let them look at the title of the book ''.

Some of us have imagination and sensibility too.

Some of former President Truman's off-the-cuff discourses have been in that vein.

Some of the stumps are as much as three feet long, but most of them have been flattened by the pressure of the overlying sediments.

Some memorable plays have been drawn from books, notably Life With Father and Diary Of Anne Frank.

Some families already have held weekend rehearsals in their home shelters to learn the problems and to determine for themselves what supplies they would need.

Some special health requirements might have to be met.

Some weapons systems have become obsolescent while still in production, and some while still under development.

Some offices have very broad responsibilities, touching on almost all aspects of a university's instructional program.

Some manufacturers have had the foresight to provide a socket for the chuck key ; ;

Some recreation features, such as scenic values and water interest, also have greater overall value than other interests.

-- Some areas may already have been improved and contain buildings, roads, utilities, cleared land, etcetera which may raise the cost of the site.

Some distribution costs are kept up by competitive pressure, some by the fact that the customers have come to expect certain niceties and flourishes.

Some men have no talent for or interest in management ; ;

Some agents have been shown to be much more toxic or infectious to experimental animals when exposed to aerosols of optimum particle size than by the natural portal.

Some of those who question the value of BW have assumed that the only potential would be in the establishment of epidemics.

Some members of the bee family have become idlers, social parasites that live at the expense of their hardworking relatives.

Some investigators have found a parallelism between remissions and return of the sympathetic reactivity of the hypothalamus to the normal level as indicated by the Mecholyl test and, conversely, between clinical impairment and increasing deviation of this test from the norm.

Some of the oldest, most persistent, and most cohesive forms of social groupings have grown out of religion.