Gene Expression
Doctor Josh Dubnau explains that some genes are preferentially active in one part of the brain or body, while other genes are particular active in another location.
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1430. Signaling Networks
Doctor Josh Dubnau explains that the function of signaling networks is to receive signals from outside the cell, and transmit that information into the cell, in some cases to the nucleus.
1431. CAMP Signaling Network
Doctor Josh Dubnau explains that the cyclic AMP (cAMP) signaling network can receive signals from outside the cell and use the signal to alter the function of the cell.
2065. RNA-binding proteins
Professor James Eberwine describes the primary functions of RNA-binding proteins, which include regulating tRNAs, degrading RNAs, synthesizing RNAs, and regulating multigenic gene expression.
15473. The Central Dogma: transcription and translation, James Watson
James Watson talks about the Central Dogma: transcription and translation.
16470. Concept 21: RNA is an intermediary between DNA and protein.
The Central Dogma is the flow of genetic information from DNA, to RNA, to protein.
1428. Genes for Memory
Doctor Josh Dubnau explains that genes are responsible for memory in that they contain the raw instructions for memory. Experience determines how these instructions are assembled.
1721. 3D Gene Expression
Like all brains, insect brains have different structures that accomplish specific tasks. Dr. Josh Dubnau introduces a technique for examining gene expression in the brains of fruit flies.
15547. Transcription/translation - Promoters
Promoters are DNA sequences located in the 5' region adjacent to the transcriptional start site.
1022. Pathways, Inside the nucleus
In this section learn that an activated protein is transported into the nucleus through a pore in the nuclear membrane.
16492. Problem 21: RNA is an intermediary between DNA and protein.
What happens in protein synthesis?