reaction

Zona pellucida

... atozoa, and is required to initiate the acrosome reaction . Full article >>> zona pellucida ... ) which binds sperm and initiates the acrosome reaction of the sperm . Full article >>> Fertilization begins with the binding of a sperm...

Substrate

...eration of ATP by coupling strongly exergonic reaction s with the synthesis of ATP from ADP and phosphate. subtidal zone The bottom above the continental shelf . Full article >>> The only known substrate s of neddylation are Cullin family proteins ,Cul1, Cul2, Cul3, Cul4A, Cul4B,and ...

Sperm

...g the sperm competent to undergo the acrosome reaction ; this change is necessary for penetration of the cumulus matrix and for fertilization . Full article >>> Meiosis : the process of cell division in which a single cell produces four daughter cell s each of which contains half of...

Sequence

...roteins ) that shuttle electrons during the redox reaction s that release energy used to make ATP . electronegativity The tendency for an atom to pull electrons toward itself. Full article >>> The sequence of this human genome was only a sequence of the referenced genome . And if y...

Reduction

...g of electrons by a substance involved in a redox reaction . Full article >>> Reduction ism The understanding of complex systems almost always has to await unraveling the details of some simpler system. Full article >>> reduction division The first nuclear division of me...

Redox reaction

Redox reaction s are chemical reactions in which electrons are t...d products. Full article >>> Redox reaction s in biology Much biological energy is stored and released by means of redox reaction s. Photosy...

Oxidation

...ction s always go together. They are called redox reaction s. When electrons flow "downhill" in a redox reaction , they release free energy. Discussion ... Full article >>> Oxidation / reduction v...

Ovum

... ) which binds sperm and initiates the acrosome reaction of the sperm . A B C D E F G H I J K L M N O P Q R S T U V W X Y Z ... Full article >>> [Gr. zygotos - yoked together]. The fertilized ovum which results from the fusion of the male and female pronuclei (before the first cleavage ...

Mouth

...ctrons. oxidation - reduction re action ( redox reaction ) A re action in which electrons are trans ferred from a donor (the reducing agent ) to an acceptor molecule (the oxidizing agent). Full article >>>...

Exergonic reaction

Exergonic reaction An exergonic reaction is a chemical re action where the variation of free energy is negative. This tells us the direct...

Evolution

... adapt to their external environment . exergonic reaction : a chemical re action in which energy is released. Full article >>> EVOLUTION ARY CLOCK - Defined by the rate at which mutation s accumulate within a given gene . EXON The portion of a gene that is actually trans lated into ...

Endergonic reaction

An endergonic reaction is a chemical re action in which the change in free energy is positive. An endergonic reaction is a re action in which "G > 0 in Gibbs free energy, in contrast to an exothermic re action , ...

Embryology

... the study of embryo nic development. endergonic reaction : chemical reactions in which energy is obtained and trapped from the environment . Full article >>> embryology The study of development from the egg to the point that all major organ systems have formed. embryo nic axis The ma...

Embryo

... the study of embryo nic development. endergonic reaction : chemical reactions in which energy is obtained and trapped from the environment . Full article >>> Embryo nic primordium from which a specific part of the organ ism develops. The rudimentary basis of an organ in an embryo . R...

Electron transport chain

...roteins ) that shuttle electrons during the redox reaction s that release energy used to make ATP . electronegativity ... Full article >>> electron transport chain In a cell membrane , electron carrier s and enzymes positioned in an organ ized array that enhance oxidation - reduction ...

Cytochromes

...ar respiration , photosynthesis , or other redox reaction s. Cytochrome c, for example cytokinesis The final separation of daughter cell s following mitosis . Full article >>>...

Coupling

...eration of ATP by coupling strongly exergonic reaction s with the synthesis of ATP from ADP and phosphate. subtidal zone The bottom above the continental shelf . Full article >>> This mechanism is known as chemiosmotic coupling . This involves both chemical and trans port processes. Dr...

Competent

...g the sperm competent to undergo the acrosome reaction ; this change is necessary for penetration of the cumulus matrix and for fertilization . Full article >>> graft rejection - when immunologically competent graft is trans ported into an immunologically compromised host , the graft ...

Cellular respiration

...ar respiration , photosynthesis , or other redox reaction s. Cytochrome c, for example cytokinesis The final separation of daughter cell s following mitosis . Full article >>>...

Carbohydrate

...r s of hydrogen atoms and electrons in some redox reaction s, notably carbohydrate and lipid catabolism . Full article >>> Many biological effects of complex carbohydrate s are mediated by lectins that contain discrete carbohydrate -recognition domain s. Full article >>>...

Capacitation

...g the sperm competent to undergo the acrosome reaction ; this change is necessary for penetration of the cumulus matrix and for fertilization . Full article >>> The brain cells of Huntington's victims slowly degenerate, producing jerking muscle s, slurred speech, swallowing difficulty,...

Ampulla

...er surrounding the oocyte, initiates the acrosome reaction . Full article >>> The radial canal s feed into lateral canals extending into tube feet , each of which has an ampulla . Full article >>> 4065. Crura membranacea ampulla ria ductus saemicirculari Number of views: 2...

Adenosine triphosphate

...drolyzed. This energy is used to drive endergonic reaction s in cells . adenylyl cyclase ... Full article >>> ATP ( Adenosine triphosphate ) ATP is a nucleotide that performs many essential roles in the cell . Full article >>> ATP ( adenosine triphosphate ) - a triphos...

Adenine

...drolyzed. This energy is used to drive endergonic reaction s in cells . adenylyl cyclase ... Full article &...r s of hydrogen atoms and electrons in some redox reaction s, notably carbohydrate and lipid catabolism . Full article >>> It is proposed t...

Acrosome reaction

Acrosome reaction on a Sea Urchin cell As the sperm approaches ...e egg . Full article >>> Acrosome reaction When the sperm comes in contact with ZP3 in the zona pellucida , this re action takes place, du...

Acrosome

Acrosome reaction on a Sea Urchin cell As the sperm approaches ... which binds sperm and initiates the acrosome reaction of the sperm . A B C D E F G H I J K L M N O P Q R S T U V W X Y Z ... Full article >>...