STAT5 becomes activated in erythroid progenitor cells,  induces expression of the protein Bcl-xL.

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#Id: 3247

#Unit 3. Fundamental Processes

Mutations are also caused by compounds that substitute for normal bases (base analogs) or slip between the bases (intercalating agents) to cause errors in replication. 

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#Id: 1075

#Unit 5. Developmental Biology

Class C activity alone specifies carpels.

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#Id: 8683

#Unit 1. Molecules and their Interaction Relevant to Biology

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#Id: 4717

#Unit 13. Methods in Biology

n. Carotenoids, for instance, are a large class of red, yellow and orange plant pigments composed of long carbon chains with many conjugated double bonds. They contain three maxima in the visible region of the electromagnetic spectrum (420 nm, 450 nm, 480 nm).

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#Id: 7122

#Unit 6. System Physiology – Plant