Nitric oxide is produced from which reaction?

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#Question id: 28390

#Unit 5. Developmental Biology

During Vegetal cells asymmetrically press up against the inner blastocoel roof on the dorsal side of the embryo is referred to as____

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#Question id: 7028

#Unit 5. Developmental Biology

Between the blastoderm and the yolk of avian eggs is a space called the subgerminal cavity, which is created when:

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#Question id: 30081

#Unit 2. Cellular Organization

Alu sequences are nonautonomous _______________ that comprise 10% of the human genome.

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#Question id: 5321

#Unit 11. Evolution and Behavior

Biologists now routinely test for homology between genes in different species. If genes are determined to be homologous, how are they related to each other?

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#Question id: 19019

#Unit 9. Diversity of Life Forms

Arrange the following structures, which can be found on male pine trees, from the largest structure to the smallest structure (or from most inclusive to least inclusive). 

1. sporophyte 2. microspores 

3. microsporangia 4. Pollen cone 

5. Pollen nuclei