FGF8 

A secreted signal that is received by the lens cells and induces the production of the L-Maf transcription factor.

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#Unit 7. System Physiology – Animal

The heart consists of two kinds of muscle cells:

Contractile cells

Conducting cells

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#Unit 7. System Physiology – Animal

Insulin has an AB heterodimer structure with 

One intrachain (A6-A11) 

Two interchain disulfide bridges (A7-B7 and A20-B19)

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#Unit 2. Cellular Organization

FG-nucleoporins, the central channel of the NPC filled with a fluidlike phase that allows the diffusion of small molecules while excluding unchaperoned hydrophilic proteins larger than 40 kDa.

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#Unit 3. Fundamental Processes

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#Unit 13. Methods in Biology

The run-on reaction is usually done in the presence of labeled nucleotides so the products will be labeled.