CapZ blocks the (+) end, which is where filaments normally grow, so its function is to limit actin dynamics to the (−) end.

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#Id: 9522

#Unit 6. System Physiology – Plant

The bacterial blight pathogen of rice (Oryza sativa), Xanthomonas oryzae pv. oryzae, secretes a highly conserved sulfated peptide called Ax21, which mediates quorum sensing by controlling Xanthomonas motility, biofilm formation, and virulence.

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#Id: 4737

#Unit 5. Developmental Biology

During early cleavage, each asymmetrical division produces:

• One founder cell (denoted AB, E, MS, C, and D) that produces differentiated descendants
• One stem cell (the P1–P4 lineage) 

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#Id: 1186

#Unit 7. System Physiology – Animal

Retinal ganglion cells contain melanopsin.

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#Id: 1072

#Unit 5. Developmental Biology

Class A activity alone specifies sepals.

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#Id: 2509

#Unit 13. Methods in Biology

The most commonly used general protein stain for detecting protein on gels is the sulfated trimethylamine dye Coomassie Brilliant Blue R-250 (CBB).