Z39 50 - significado y definición. Qué es Z39 50
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Qué (quién) es Z39 50 - definición

SnoRNA Z39

50/50 burger         
HAMBURGER PATTY
User:Hpsm005/sandbox; Slater's 50/50 restaurant
The 50/50 Burger patty is a half ground bacon, half ground beef burger patty developed by Scott Slater for Slater's 50/50 restaurant.Bacon, bacon, and more bacon adds up to a hit new burger - NY Daily News The 50/50 Burger consists of a 50% ground bacon and 50% ground beef patty topped with a sunny side up egg, avocado mash, pepper jack cheese and chipotle adobo mayo on a hamburger bun.
fifty         
NATURAL NUMBER
Number 50; Fifty; ㉌; ㊿; Cinquante
(fifties)
Frequency: The word is one of the 700 most common words in English.
1.
Fifty is the number 50.
NUM
2.
When you talk about the fifties, you are referring to numbers between 50 and 59. For example, if you are in your fifties, you are aged between 50 and 59. If the temperature is in the fifties, the temperature is between 50 and 59 degrees.
I probably look as if I'm in my fifties rather than my seventies.
N-PLURAL
3.
The fifties is the decade between 1950 and 1959.
He began performing in the early fifties.
N-PLURAL: the N
Fifty         
NATURAL NUMBER
Number 50; Fifty; ㉌; ㊿; Cinquante
·adj Five times ten; as, fifty men.
II. Fifty ·noun The sum of five tens; fifty units or objects.
III. Fifty ·noun A symbol representing fifty units, as 50, or l.

Wikipedia

Small nucleolar RNA Z39

In molecular biology, Small nucleolar RNA Z39 is a non-coding RNA (ncRNA) molecule which functions in the modification of other small nuclear RNAs (snRNAs). This type of modifying RNA is usually located in the nucleolus of the eukaryotic cell which is a major site of snRNA biogenesis. It is known as a small nucleolar RNA (snoRNA) and also often referred to as a guide RNA.

snoRNA Z39 belongs to the C/D box class of snoRNAs which contain the conserved sequence motifs known as the C box (UGAUGA) and the D box (CUGA). Most of the members of the box C/D family function in directing site-specific 2'-O-methylation of substrate RNAs.

Plant snoRNA Z39 was identified in a screen of Oryza sativa.