proton

Splicing

...al acid- base cata lysis Cata lysis involving a proton trans fer from/to a molecule other than water. Compare to specific acid- base cata lysis . Full article >>> Alternative splicing One reason is that one gene may produce more than one m RNA . RNA splicing is the normal pro...

Rhodopsin

...drion chloroplast electron trans fer chain proton pump inhibitor ATP synthase ... Full article >>> (I've recently stumbled onto a reference that claims that vertebrate rhodopsin and bacterio rhodopsin are not part of the same gene family . I'll reserve judgement until I've rea...

Proton-motive force

...bed as the storing of energy as a combination of a proton and voltage gradient across a plasma membrane . ...oss biological membranes during chemiosmosis . proton pump ... Full article >>> proton-motive force The electrochemical potential inhere...

Proton pump

Proton pump A proton pump is an integral membrane protein that is ca... Full article >>> Proton pump s A proton pump is any process that creates a proton gradient across a membrane. Protons can be physically m...

Photosystem

... is captured; includes the pigment molecule s, proton pump s, enzymes , coenzymes , and cytochromes . phototropism : the bending and turning of the plant stem toward a light source. Full article >>> photosystem s - multi protein complexes that catalyze the conversion of the li...

Photophosphorylation

...g photosynthesis , also uses ATP synthase and a proton gradient to generate ATP . Full article >>> Photophosphorylation is the process of converting energy from a light-excited electron into the pyrophosphate bond of an ADP molecule . This occurs when the electrons from water are excit...

Phosphate ion

... is captured; includes the pigment molecule s, proton pump s, enzymes , coenzymes , and cytochromes . Full article >>> Weathering of rocks makes phosphate ion s (PO4= and HPO4=) available to plant s through uptake from the soil. The mineral apatite contains a small amount of phosphor...

Ovum

...n atom ; often accompanied by the trans fer of a proton and thus involves the loss of a hydrogen ion. The loss of electrons or hydrogens in a chemical re action . Full article >>> ovum pl. ova (oh-vum) [L. egg ] The female gamete ; the haploid , unfertilized egg , which is usually a r...

NADPH

...s removed from a hydrogen atom and the remaining proton is released.. Full article >>> The role of NADPH in oxygen -producing photosynthesis is to ____. a) supply hydrogen to the carbohydrate ; b) supply carbon to the carbohydrate ; c) supply energy that can be used to form a carboh...

Mitochondrial membrane

...>> Most of the ATP is generated by the proton gradient that develops across the inner mitochondrial membrane . Full article >>> cristae : the folds of the inner mitochondrial membrane . crossing over : a process during prophase I in which segment s of DNA from one chroma...

Membrane transporter

...trans porter. Full article >>> This proton motive force created by the ETC is used to power membrane transporter s and adenosine triphosphate synthesis by ATP synthase (aka the F0F1 particle). They are used in photophosphorylation and respiration . Full article >>> This...

Lambda

... Barr body Base Molecule or ion that can take a proton from an acid. Full article >>> The Int-Flp family includes lambda Int, Flp, and cre. Three-dimensional structure studies provide insights into the mechanism used by the Flp recombinase to invert DNA sections. Full article ...

Gene splicing

...al acid- base cata lysis Cata lysis involving a proton trans fer from/to a molecule other than water. Compare to specific acid- base cata lysis . Full article >>> Genetic engineering , genetic modification (GM), and gene splicing (once in widespread use but now deprecated) are ter...

Exon

...al acid- base cata lysis Cata lysis involving a proton trans fer from/to a molecule other than water. Compare to specific acid- base cata lysis . Full article >>> I've mentioned the term exon shuffling in several of my posts, so I might as well get around to explaining what the hell ...

Dalton

...2; dalton Atomic Weight Unit ; the mass of one proton or one neutron. dark re action that part of the photosynthetic process that, in the absence of light, ... Full article >>> dalton (dawl-ton) The atomic mass unit; a measure of mass for atoms and subatomic particles. Full article &#...

Coupling

...de production from complex I are very sensitive to proton motive force, and can be strongly decreased by mil...ectron transport chain to ATP synthesis via the proton gradient and ATP synthase. This occurs primarily in the presence of oxygen . A B C D E F G H I J ...

Chemiosmosis

...;>> chemiosmosis The process whereby a proton gradient and an electrochemical gradient are generated by electron trans port and then used to drive ATP synthesis by oxidative phosphorylation . Full article >>> (Redirected from Chemiosmosis ) The Chemiosmotic Hypothesis is th...

Branch migration

...a conjugate acid- base pair in which the ratio of proton acceptor to proton donor is near unity. Full article >>>...

Bases

...ining with H+ to form water. Bases are therefore proton acceptors. OH- + H+ H2O ... Full article >>> Two bases which form a "rung of the DNA ladder." A DNA nucleotide is made of a molecule of sugar, a molecule of phosphoric acid, and a molecule called a base . The bases ar...

Base pair

...a conjugate acid- base pair in which the ratio of proton acceptor to proton donor is near unity. Full article >>> These variable codes for amino acids are poss...

Base

...Bronsted-Lowry base : a substance which acts as a proton (H+) acceptor ... Full article >>> Wobble base pair A wobble base pair is a G-U and I-U / I-A / I-C pair fundamental in RNA secondary structure . It has comparable thermodynamic stability of the Watson-Crick base pair . ...

Barr body

... Barr body Base Molecule or ion that can take a proton from an acid. Full article >>> In female mammalian embryo s, the early random inactivation of the genes on one of the X chromosomes , leading to mosaicism for functions coded by heterozygous X-linked genes (See dosage compensatio...

ATP

...me that harnesses the energy of a trans membrane proton gradient as an energy source for adding an inorganic phosphate group to a molecule of ... Full article >>> ATP is continually produced and consumed as illustrated below. Review Use the symbols below to draw a disaccharide, polys...