In consistent fashion, the BTEX hydrocarbon decay linked with sulfate as the terminal electron acceptor did not observe 

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#Question id: 3351

#Unit 11. Evolution and Behavior

In pre-industrial period in England, most peppered moths had light coloration. During industrial revolution, many lichens died out and trees became blackened by soot from factories and interestingly, dark colored moths were predominantly seen. Which of the following observation is incorrect about above selection?

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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: 10321

#Unit 1. Molecules and their Interaction Relevant to Biology

The human blood groups (O, A, B) are determined in part by the oligosaccharide head groups of these glycosphingolipids. Which of the following is correct?

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#Question id: 5637

#Unit 5. Developmental Biology

In an experiment, Sperm from mice carrying loss-of-function mutations in the Izumo gene. Which of the following statement is correct?

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#Question id: 28659

#Unit 2. Cellular Organization

Cohesin-mediated cohesion between sister chromatids is established by multiple processes, except?