When the calcium levels fall during phototransduction, the calcium dissociates from recoverin, and rhodopsin kinase is released, when it proceeds to phosphorylate metarhodopsin II, which decreases its affinity for transducin.

When a ligand activates the G protein-coupled receptor, it induces a conformational change in the receptor that allows the receptor to function as a guanine nucleotide exchange factor ( GEF ) that exchanges GDP for GTP on the G < sub > α </ sub > subunit.

When an electric current is passed through the coil it generates a magnetic field that activates the armature, and the consequent movement of the movable contact ( s ) either makes or breaks ( depending upon construction ) a connection with a fixed contact.

When V < sub > 2 </ sub > is " on ", it activates V < sub > 4 </ sub >, driving low voltage ( logical " 0 ") to the output.

When the user activates the link ( e. g. by clicking on it with the mouse ) the browser will display the target of the link.

When Hayata activates the capsule, Ultraman does not have to appear precisely where Hayata was standing, but he usually does appear very close to that location, and often, but not always, in a similar pose.

When the organist activates the stop control, the action allows wind to flow into the selected rank.

When the inducer binds the receptor, it activates transcription of certain genes, including those for inducer synthesis.

When the fire alarm activates on a floor, audio instructions tailored to each floor of the building sound.

When such a processor reaches a temperature level deemed too high for safe operation, the thermal control circuit activates, automatically decreasing the clock and CPU core voltage until the temperature has returned to a safe level.

When the transmission from a marker beacon is received it activates an indicator on the pilot's instrument panel and the tone of the beacon is audible to the pilot.

When a temperature variation is detected the probe sends an electrical signal to the control box, which consists of an electrical circuit board that then activates or deactivates the burner system.

When the telephone is taken off-hook, it appears to the exchange as a low-value resistor, completing the circuit for the DC signal which activates the F relay.

When he callously refuses, Ben activates the camera that puts Big Ben unknowingly on live TV, where he ends up revealing his true nature on the news, even mooning the camera.

When Batman goes to rescue the child, Scarecrow activates a Venom implant, causing the boy to attack Batman.

When the machine is rocked or tilted in an attempt to gain a product, the mercury switch activates, sounding an alarm.

When Ian accidentally activates the machine, it takes them to a petrified jungle on a world devastated by an ancient nuclear war fought between the Daleks and the Thals.

When a ligand ( the neurotransmitter ) binds to the receptor ( the transducer ) the latter activates a primary effector via the G-protein, which can go on to activate secondary messengers or have other effects.

When light activates the melanopsin signaling system, the melanopsin-containing ganglion cells discharge nerve impulses that are conducted through their axons to specific brain targets.

When UTP activates a substrate, UDP-substrate is usually formed and inorganic phosphate is released.

When Red Volcano activates the volcano, Zatanna uses her magic to give the illusion of Kid Flash multiplies.

When cells have reached sufficient size during G2, the phosphatase Cdc25 removes the inhibitory phosphorylation, and thus activates Cdk1 to allow mitotic entry.

When the physician is ready to record diagnostic views, which are saved and can be more carefully scrutinized later, he activates the equipment to apply a significantly higher X-ray dose, termed cine, in order to create better quality motion picture images, having sharper radiodensity contrast, typically at 30 frames per second.

When applicator activates the 2K aerosol by breaking the accessory container, the two components mix.

When the user activates the bottom of the inhaler, the energy from the spring is released and imposes pressure on the flexible liquid container, causing liquid to spray out of 2 nozzles, thus forming a soft mist to be inhaled.

When they bind GTP, they are ' on ', and, when they bind GDP, they are ' off '.

When its economy entered in recession the federal government deficit widened to 2. 5 % of GDP in 1999 and its external debt surpassed 50 % of GDP.

When the elasticity of the EAW / GDP ratio reaches zero, economic welfare will have attained its maximum value.

When broken down by major function, the history of US government spending as a percent of GDP shows a slow and consistent increase in education spending ; it shows the spikes in defense spending during World War I and World War II, and the sustained high level maintained during the Cold War.

When the financial markets collapsed, household debt was nearly 100 percent of GDP.

When there is an excess supply over the expenditure and hence the demand there is an inventory leftover with the producers, which leads to a reduction in either the prices or the quantity of output and hence reducing the total output ( GDP ) of the economy.

When the G-protein binds to the receptor, it becomes able to exchange a GDP ( guanosine diphosphate ) molecule on its alpha subunit for a GTP ( guanosine triphosphate ) molecule.

When, during his discourses, he recounts his experiences as a young aspirant, he regularly uses the phrase " When I was an unenlightened bodhisatta ..." The term therefore connotes a being who is " bound for enlightenment ", in other words, a person whose aim is to become fully enlightened.

When a principle becomes customary law is not clear cut and many arguments are put forward by states not wishing to be bound.

When Loki, god of mischief and strife, murdered Baldr, god of beauty and light, he was punished by being bound in a cave with a poisonous serpent placed above his head dripping venom.

When the group of covalently bound atoms bears a net charge, the group is referred to more properly as a polyatomic ion or a complex ion.

When the gods knew that Fenrir was fully bound, they took a cord called Gelgja ( Old Norse " fetter ") hanging from Gleipnir, inserted the cord through a large stone slab called Gjöll ( Old Norse " scream "), and the gods fastened the stone slab deep into the ground.

When his woman dies, he seeks another woman ; to woman he is bound.

When oxygen is not bound, a very weakly bonded water molecule fills the site, forming a distorted octahedron.

When using delayed evaluation, an expression is not evaluated as soon as it gets bound to a variable, but when the evaluator is forced to produce the expression's value.

When merging two lists of length m, there is a lower bound of 2m − 1 comparisons required in the worst case.

The emphasis on the salvific nature of the Resurrection continued in Christian theology in the next centuries, e. g., in the 8th century Saint John of Damascus wrote that: "... When he had freed those who were bound from the beginning of time, Christ returned again from among the dead, having opened for us the way to resurrection " and Christian iconography of the ensuing years represented that concept.

When his woman dies, he seeks another woman ; to woman he is bound.

When determining the legal obligations of states, one party to the original treaty and one a party to the amended treaty, the states will only be bound by the terms they both agreed upon.

When the gods saw that Fenrir was bound they all rejoiced, except Tyr, who had his right hand bitten off by the wolf.

When proline is bound as an amide in a peptide bond, its nitrogen is not bound to any hydrogen, meaning it cannot act as a hydrogen bond donor, but can be a hydrogen bond acceptor.

When Lyudmila Shestakova, the sister of Mikhail Glinka, learned of Mussorgsky's plans, she presented him with a volume of Pushkin's dramatic works, interleaved with blank pages and bound, and using this Mussorgsky began work in October 1868 preparing his own libretto.

When the binary encountered Neptune, it interacted in such a way that orbital energy was transferred from Triton to its companion ; the latter was expelled, while Triton became bound to Neptune.

When he heard their beautiful song, he ordered the sailors to untie him but they bound him tighter.

When ownership of a digital signature secret key is bound to a specific user, a valid signature shows that the message was sent by that user.

De amore lists such rules as " Marriage is no real excuse for not loving ", " He who is not jealous cannot love ", " No one can be bound by a double love ", and " When made public love rarely endures ".

When the river Amasenus blocked his path, he bound her to a spear and promised Diana that Camilla would be her servant if she would safely transported to the opposite bank.

When meat is in its raw state, the iron atom is in the + 2 oxidation state, and is bound to a dioxygen molecule ( O < sub > 2 </ sub >).

When nucleons bind together to form a nucleus, they must lose a small amount of mass, i. e., there is mass change, in order to stay bound.

When Jacob confronted the redcoats, they bound him to a tree with a bridle bit in his mouth.