Phalloidin isolated from Amanita phalloides, binds at the interface between subunits in F-actin involves:

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#Question id: 18757

#Unit 13. Methods in Biology

which phage is used in oligonucleotide directed mutagenesis?

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#Question id: 26919

#Unit 10. Ecological Principles

Species cannot coexist permanently in a community, if_____

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#Question id: 14880

#Unit 4. Cell Communication and Cell Signaling

Which of the following cells control the differentiation HSCs (hematopoietic stem cells)?

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#Question id: 12935

#Unit 13. Methods in Biology

 The integrity of the RNA should always be checked by _____

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#Question id: 34111

#Unit 2. Cellular Organization

A. 11-nm chromatin fibers consist of a string of nucleosomes.

B. 30-nm fibers have six nucleosomes/turn, which are organized into a two-start helix.

C. Histone H1, histone tails, and increased ionic strength all promote the formation of the 11-nm fiber.

D. Histone octamers are well conserved during replication, with H2A-H2B dimers and H32-H42 tetramers are.

Which of the correct combination of statements