Dictionary » M » 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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Does complementary DNA include only coding sequences ?

Hello everyone, I was wondering if complementary DNA is a copy of the entire messenger RNA or only a copy of the coding parts ? I'm really confused... For example, if I have the mRNA of a particular gene with some non-coding parts, will the cDNA be exactly the ...

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by ophelia15
Sat Oct 19, 2013 10:25 pm
Forum: Genetics
Topic: Does complementary DNA include only coding sequences ?
Replies: 4
Views: 1938

cAMP 2nd Messenger Pathway and Experiments

... the conversion into cAMP could not occur. E. What is the physiological significance of these results? Why would this be important in the cAMP 2nd messenger system? ---The physiological significance of these results is that the cAMP pathway needs all of these elements present in order to carry ...

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by mkay28
Tue Sep 24, 2013 10:43 pm
Forum: Cell Biology
Topic: cAMP 2nd Messenger Pathway and Experiments
Replies: 2
Views: 2131

BAP, brassinolide, triacontanol, Amino, kelp foliar question

... (beeswax, rice bran wax). There is such test done but it was said that the growth effect has been stimulated before it is inhibited by Octacosanol Messenger. I requested COA of both 30% and 95% purity, both of them show similar amount of Octacosanol. Therefore, I am making an educational guess ...

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by Maton
Sun Dec 23, 2012 2:15 am
Forum: Botany Discussion
Topic: BAP, brassinolide, triacontanol, Amino, kelp foliar question
Replies: 15
Views: 23348

How did endosymbionts coordinate replication?

... grateful. Originally, they replicated separately, so I'm not sure how they stayed together through generations. Was there some sort of chemical messenger that the mitochondria of a cell received to know it was time to replicate? I don't know. Science help.

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by lizzymichigan
Tue Dec 18, 2012 12:06 am
Forum: Cell Biology
Topic: How did endosymbionts coordinate replication?
Replies: 9
Views: 4406

Re: Processing of neurons

as we know that neurons are the messenger of the nervous system. so they are processing means they are producing signal to inform brain. it may help u out! :)

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by suzidoc8
Sat Jul 21, 2012 3:56 pm
Forum: Physiology
Topic: Processing of neurons
Replies: 7
Views: 6111
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