By Edward L. Chambers (auth.), Richard Nuccitelli, Gary N. Cherr, Wallis H. Clark Jr. (eds.)
Read or Download Mechanisms of Egg Activation PDF
Best nonfiction_8 books
Lately there was gradually expanding curiosity in motor habit and a transforming into knowledge individual not just has to understand what to do in a selected state of affairs, but in addition tips to do it. The query of ways activities are played is of primary predicament within the quarter of motor regulate. This quantity offers an advanced-level therapy of a few of the most concerns.
Explosive advancements in microelectronics, curiosity in nuclear metallurgy, and common functions in floor technological know-how have all produced many advances within the box of ion implantation. The study task has turn into so extensive and so wide that the sector has turn into divided into many really good subfields.
This quantity includes the court cases of a gathering held at Montpellier from November twenty seventh to December 1st 1989 and entitled "Inverse difficulties Multicen tennials Meeting". It was once held in honor of 2 significant centennials: the root of Montpellier college in 1289 and the French Revolution of 1789. The meet ing was once one in all a chain of annual conferences on interdisciplinary elements of inverse difficulties geared up in Montpellier seeing that 1972 and often called "RCP 264".
The sodium of animal phone membranes converts the chemical strength acquired from the hydrolysis of adenosine five' -triphosphate right into a flow of the cations Na + and okay + opposed to an electrochemical gradient. The gradient is used subse quently as an power resource to force the uptake of metabolic substrates in polar epithelial cells and to exploit it for reasons of communications in excitable cells.
- Statistik: Fur Sozialwissenschaftler
- Plant Fibers
- Hometown Investment Trust Funds: A Stable Way to Supply Risk Capital
- Fundamentals and Standards in Hardware Description Languages
- Energy Policy Planning
- Reaction Centers of Photosynthetic Bacteria: Feldafing-II-Meeting
Additional resources for Mechanisms of Egg Activation
Alan R. Liss, New York. Kline, D. and R. Nuccitelli. 1985. The wave of activation current in the Xenopus egg. Dev. Biol. 111:471-487. Longo, F. J. 1986. Surface changes at fertilization: Integration of sea urchin (Arbacia punctulata) sperm and oocyte plasma membranes. Dev. Biol. 116:143-159. Longo, F. , J. W. Lynn, D. H. McCulloh, and E. L. Chambers. 1986. Correlative ultrastructural and electrophysiological studies of sperm-egg interactions of the sea urchin, Lytechinus variegatus. Dev. Biol. 118:155-166.
SnAL 10sec ~~ ls"J Figure 6. Diagrammatic representation of the conductance changes for an evolving activation current (type I) associated with sperm entry. The current profile is the same as shown in Figure 3A. The component A conductance is represented as the dark shaded area; the component B conductance as diagonal shading. While our data suggest that the component A conductance results from the insertion of sperm membrane channels into the egg membrane at the time the plasma membranes of the gametes fuse, for diagrammatic purposes the conductance A increase is represented as localized both in the membrane of the fused sperm, as well as in the egg membrane in the immediate vicinity of the attached sperm.
DISCUSSION . . . . . . . . . . . . . . . . . . . . . . . . . Voltage-Sensitive Step at Positive Membrane Potentials . . . . . . . . . Voltage-Sensitive Step at Negative Membrane Potentials . . . . . . . . . Two Distinct Voltage-Regulated Events Involved in Sperm Entry . . . . . . Association of Sperm Entry, Size of Fertilization Cone and the Type of Electrophysiological Response . . . . . . . . . . . CONCLUSION .
Mechanisms of Egg Activation by Edward L. Chambers (auth.), Richard Nuccitelli, Gary N. Cherr, Wallis H. Clark Jr. (eds.)