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Messengers

messenger

1. That which carries a message.

2. Having message-carrying properties.

first messenger, a hormone that binds to a receptor on the surface cell and, in so doing, communicates with intracellular metabolic processes.

second messenger, an intermediary molecule that is generated as a consequence of hormone-receptor interaction; e.g., see adenosine 3',5'-cyclic monophosphate; guanosine 3',5'-cyclic monophosphate; calcium; inositide.


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Guard Cells and Stomas

... of ABA (abscisic acid)'s influence over the positioning of stomatal cells. I mean how the hormone sends the message carried by the intracellular messengers to the point of action. There are many stages and many proteins,ase, mRNAs and other chemical compounds. I don't know how they identify the ...

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by wtwt5237
Thu Jun 14, 2007 2:17 pm
 
Forum: Botany Discussion
Topic: Guard Cells and Stomas
Replies: 2
Views: 1275

diabeties

Insulin and the pancreas Insulin is a hormone produced by special cells (called beta cells) in the pancreas. Hormones are chemical messengers that circulate in the blood sending messages to other parts of the body. The pancreas is located deep in the upper part of the abdomen behind the ...

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by dipjyoti
Sun Feb 18, 2007 8:46 am
 
Forum: Physiology
Topic: diabeties
Replies: 22
Views: 6847

ATP transport throughout the cell?

in its cyclical form, cAMP is one of the most important second messengers in the cell. In it's linear form, the only role it has is regulation(it serves as a signal for turning pathways on and off).

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by MrMistery
Fri Feb 02, 2007 5:43 pm
 
Forum: Cell Biology
Topic: ATP transport throughout the cell?
Replies: 7
Views: 1651

Zygote Question

Some chemical messengers are found on surface of these cells those will let them be together.....

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by sachin
Mon Jan 01, 2007 6:04 am
 
Forum: Cell Biology
Topic: Zygote Question
Replies: 4
Views: 1017

The Fiber Disease

... modified or engineered proteins. Application of control mechanisms such as pH, ionic conditions, membrane voltage, and intracellular second messengers. Identification and engineering, using guidance from computational modeling, of transport systems with the capability to transport other ...

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by Nadas Moksha
Fri Dec 15, 2006 8:00 am
 
Forum: Human Biology
Topic: The Fiber Disease
Replies: 7403
Views: 748819
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