What is the definition of univalent?
noun. Definition of univalent (Entry 2 of 2) : a chromosome that lacks a synaptic mate.
What are univalent atoms?
univalent (not comparable) (chemistry) Having an atomic valence of 1, or having only one valence. synonym ▲ Synonym: monovalent. (medicine) Having a vaccine valence of 1. (genetics) Of, or relating to, a chromosome that is not paired with its homologous chromosome during synapsis.
What is a univalent chromosome?
A chromosome that fails to pair with another during the prophase stage of meiosis, and therefore does not exchange genetic information via crossing over. This situation usually occurs in polyploids with an odd chromosome compliment, such as triploids.
What is univalent group?
Having a valence of one; capable of replacing a single hydrogen atom in combination.
What is univalent electrolyte?
001 molal solution of a uni-univalent electrolyte (one in which each ion has a valence, or charge, of 1, and, when dissociated, two ions are produced) such as sodium chloride, Na+Cl-, exhibits colligative properties corresponding to a nonelectrolyte solution whose molality is 0.002; the colligative properties of a …
What is an univalent analytic function?
In mathematics, in the branch of complex analysis, a holomorphic function on an open subset of the complex plane is called univalent if it is injective.
What is univalent ions in periodic table?
1,Univalent: Ions that contain one charge. Example: Cesium cation. 2.Bivalent: Ions that contain two charges. Example: Magnesium cation.
What is a univalent antibody?
an “incomplete” form of antibody that has a single binding site; in the case of Rh+ erythrocytes, such an anti-Rh antibody may coat the cells but not cause them to agglutinate in saline; however, agglutination does occur when such coated cells are suspended in serum or other protein media, such as albumin, therefore …
Why are Group IA elements univalent?
As group 1 elements have tendency to lose one electron so they are called univalent or monovalent. . Group 1 elements have just one electron present in their outer shell (the valence electron).
What is univalent salt?
Definition of uniunivalent : of, relating to, or designating an electrolyte that dissociates into two univalent ions.
What are uni univalent ionic solids?
Dear student, An univalent is an ion that a univalent element, ion, functional group, or molecule has a valence of two. and similarly bivalent or divalent element, ion, functional group, or molecule has a valence of two. Ionic Solids are solids composed of oppositely charged ions.
Is oxygen a univalent atom?
Thus, it has 1 valency which means monovalent. Thus, this option is correct. Oxygen: it has atomic number 8 when we write electronic configuration, we find it to be 2, 6 So, it has 6 electrons in its last shell and can gain 2 electrons to complete its octet. Thus, it has 2 valencies which means divalent.
Which of the following does not form a univalent cation?
Sulphite ion is is not univalent.
What is a multivalent antigen?
Multivalent antigens, that is antigen molecules with more than one identical epitope per molecule, seem to bind multivalently and irreversibly to the antibody-like receptors on immunocompetent cells5,6, and T cells or their products may serve to aggregate antigen molecules so as to present them to other cells in …
What is bivalent antibody?
3 immunology : having two combining sites a bivalent antibody capable of binding to two molecules of an antigen. 4 medical : conferring immunity to two diseases or two serotypes a bivalent vaccine.
Why are alkali metals are univalent?
They are always univalent because after losing one electron, they acquire nearest inert gas configuration. Li+ forms largest hydrated cations because it has the highest hydration energy.
Which of the following alkali metal is univalent?
Alkali metals refers to the basic or alkaline nature of their metallic hydroxides. When they react with water they form alkalis which are strong bases that can easily neutralize acids. These are univalent metals including Lithium (Li), Sodium (Na), Potassium (K), Rubidium (Ru), Caesium (Cs) and Francium (Fr).
What are univalent electrolytes?