The 30 nm fibers of a chromosome are attached to a/an ________ scaffold that holds the fibers in large loops.

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#Question id: 12781

#Unit 10. Ecological Principles

Subtraction of which of the following will convert gross primary productivity into net primary productivity?

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#Question id: 6966

#Unit 5. Developmental Biology

During gastrulation in the frog, the very first cells to move into the interior of the embryo through the blastopore come from the surface layer of cells in the marginal zone; they will become:

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#Question id: 4313

#Unit 3. Fundamental Processes

Which of the following statements best describes the characteristics of siRNA?

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#Question id: 24263

#Unit 2. Cellular Organization

Choose the incorrect option

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#Question id: 10713

#Unit 10. Ecological Principles

Following is sampling data of five species in five quadrate is represent. Which of the following is a correct order of decreasing abundance?