What is the source of the C-2 during the de novo biosynthesis of pyrimidines?

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#Question id: 15757

#Unit 12. Applied Biology

Which of the following growth hormones produces apical dominance?

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#Question id: 12354

#Unit 10. Ecological Principles

____________ is the physical place where a species lives.

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#Question id: 7225

#Unit 5. Developmental Biology

The processes by which the three ectodermal regions are made physically and functionally distinct from one another is called neurulation. Following statements are regarding to the mechanism of neurulation.

A. The specification of the ectoderm is accomplished during gastrulation, primarily by regulating the levels of BMP experienced by the ectodermal cells.

B. High levels of BMP specify the cells to become neural plate.

C. Very low levels specify the cells to become epidermis.

D. Intermediate levels effect the formation of the neural crest cells.

Which of the following combination is correct?

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#Question id: 19797

#Unit 12. Applied Biology

 Which type of cry genes are used for the production of transgenic plants

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#Question id: 28670

#Unit 2. Cellular Organization

In fission yeast cells carrying a CDK1 mutation in which the tyrosine-15 residue is replaced by other amino acid which is?