A. Lampbrush chromosomes are formed during an unusually extended mitosis

B. The lampbrush chromosomes are meiotic bivalents, each consisting of paired homologous chromosomes that have been replicated

C. The lampbrush chromosomes are held together only by chiasmata that indicate points of chromosome crossover.

D. The loops around Lampbrush are surrounded by a matrix of ribonucleoproteins that contain nascent RNA chains.

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#Question id: 2879

#Unit 2. Cellular Organization

Hybridization between mature mRNA and DNA can identify introns in eukaryotic genes. When mature mRNA produced by the insulin gene is hybridized with denatured chromosomal DNA, which of the following will most likely be observed?

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#Question id: 4570

#Unit 11. Evolution and Behavior

Which pair would probably have agreed with the process that is depicted by this tree?

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#Question id: 28601

#Unit 2. Cellular Organization

Threonine -160 phosphorylation is mediated by____

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#Question id: 15989

#Unit 12. Applied Biology

Genetically modified plants have also been used for___

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#Question id: 12045

#Unit 7. System Physiology – Animal

Compared to plasma, saliva has the highest relative concentration of which of the following ions under basal conditions?