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The principal marker is the vocative particle a, which causes lenition of the following initial letter. In the singular there is no special form, except for first declension nouns. These are masculine nouns that end in a broad (non-palatal) consonant, which is made slender (palatal) to build the singular vocative (as well as the singular ...
The vocative is used in direct address, and is always preceded by the particle a, which triggers lenition (the vocative particle is not pronounced before a vowel sound). The first declension is the only declension in which the vocative is distinct from the nominative. Cá bhfuil tú, a mhic? "Where are you, son?" A Sheáin, tar anseo! "Seán ...
Cross-sectional drawing of the Ebola virus particle, with structures of the major proteins shown and labelled on the right. Nucleoproteins tend to be positively charged, facilitating interaction with the negatively charged nucleic acid chains. The tertiary structures and biological functions of many nucleoproteins are understood.
The nuclear pore complex (NPC) is a crucial cellular structure with a diameter of approximately 120 nanometers in vertebrates. Its channel varies from 5.2 nanometers in humans [14] to 10.7 nm in the frog Xenopus laevis, with a depth of roughly 45 nm. [15]
A nuclear localization signal or sequence (NLS) is an amino acid sequence that 'tags' a protein for import into the cell nucleus by nuclear transport. [1] Typically, this signal consists of one or more short sequences of positively charged lysines or arginines exposed on the protein surface. [1]
In cell biology, a granule is a small particle barely visible by light microscopy. The term is most often used to describe a secretory vesicle containing important components of cell physiology. [1] Examples of granules include granulocytes, platelet granules, insulin granules, germane granules, starch granules, and stress granules.
Gregor Mendel, the Father of Genetics William Bateson Ronald Fisher. Particulate inheritance is a pattern of inheritance discovered by Mendelian genetics theorists, such as William Bateson, Ronald Fisher or Gregor Mendel himself, showing that phenotypic traits can be passed from generation to generation through "discrete particles" known as genes, which can keep their ability to be expressed ...
In linguistics, a vocative or vocative expression is a phrase used to identify the addressee of an utterance. The underlined phrases in each of the following English sentences are examples of vocatives: Sir, your table is ready. I'm afraid, Mr. Renault, that your card has been declined.