Adenylate cyclase A (ACA), is responsible for the synthesis of cAMP.

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#Id: 1888

#Unit 4. Cell Communication and Cell Signaling

Allelic exclusion

Most T cells fully rearrange and express a TCR chain from only one of their two TCR alleles

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#Id: 9168

#Unit 11. Evolution and Behavior

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#Id: 8320

#Unit 2. Cellular Organization

The lag phase can be reduced or abolished entirely by adding premade nuclei.

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#Id: 7366

#Unit 5. Developmental Biology

In the Drosophila egg, karyokinesis occurs without cytokinesis to create a syncytium.

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#Id: 2558

#Unit 13. Methods in Biology

This protein, from the bioluminescent jellyfish  Aequorea victoria, fluoresces with a peak wavelength of 508 nm (green light) when irradiated by ultraviolet or blue light (optimally 400 nm).