In 1961 Marshall Nirenberg and Heinrich Matthaei reported the first breakthrough in reading nucleotide codon in amino acid frame.

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#Id: 429

#Unit 2. Cellular Organization

Mononucleosomes typically have 200 bp DNA. End-trimming reduces the length of DNA first to 165 bp and then generates core particles with 146 bp.

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#Id: 7362

#Unit 5. Developmental Biology

In the presence of Nodal, the Pitx2 gene is activated

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#Id: 1705

#Unit 4. Cell Communication and Cell Signaling

Basophils are nonphagocytic granulocytes.

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#Id: 1410

#Unit 4. Cell Communication and Cell Signaling

Smooth muscle cells and nonmuscle cells are regulated by: Norepinephrine, angiotensin, endothelin, histamine

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#Id: 10373

#Unit 4. Cell Communication and Cell Signaling

MHC-Peptide Interaction