Which of the following is the Direct ways for loss of biodiversity?

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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

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#Question id: 8692

#Unit 9. Diversity of Life Forms

Which of the following statements is accurate with regard to a phylogeny, as represented by a phylogenetic tree?

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#Question id: 18658

#Unit 13. Methods in Biology

when the separation of protein takes place based on their isoelectric point, the technique known as 

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#Question id: 2493

#Unit 2. Cellular Organization

Which of the following is NOT true about cilia?

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#Question id: 33695

#Unit 2. Cellular Organization

if an individual has only one α gene, the excess β chains form the unusual tetramer b4, which causes