The phrase "a envelope" is not correct in written English.
The correct form is "an envelope" because "envelope" begins with a vowel sound.
Example: "I need to put this letter in an envelope before mailing it."
Alternatives: "an envelope" or "one envelope".
It's like giving the year's most successful entrepreneur a tenner in a envelope.
These results indicate that these three recombinant viruses arose by recombination between exogenous subgroup J isolates and a recombinant defective endogenous virus with subgroup A envelope.
A subtype A envelope sequence from a viral isolate from east Africa was cloned into a eukaryotic expression vector under the control of the CMV-IE promoter.
Three recombinant avian leukosis subgroup J viruses, ADOL 5701A, ADOL 5701AΔ, and ADOL 6803A, carrying a subgroup A envelope have been isolated and characterized.
And in fact, a envelope detector of the type that we've talked about before is exactly what is used in AM radios, because of the fact that it's so inexpensive.
Do you know them well?" On the eve of the game, which Marseilles won 1-0, Eydelie handed over a envelope containing cash to one of the player's wives; later, as the scandal broke, French police discovered a package containing 250,000 francs in the garden of one of the Valenciennes players.
This rabies virus is pseudotyped with an avian sarcoma and leukemia virus (ALSV-A) envelope protein (EnvA), so that the initial infection is restricted to cells that express a cognate receptor (TVA) in mammalian brains.
For retrograde labeling, we employed a mCherry-expressing ASLV-A envelope glycoprotein (EnvA) pseudotyped, glycoprotein-deleted rabies virus (SADΔG-mCherry(EnvA)), whose tropism is restricted to avian tumor virus receptor A (TVA -expressing cells (Wickersham eTVA -expressingll et al., 2010).
(Kar is "snow" in Turkish, so we have already been given an envelope inside an envelope inside an envelope).
Does it exist in an envelope in a safe somewhere?
