During chick development, wing feather, thigh feather and claws development depends on epithelial specificity give induction from mesenchymal components from different sources of the dermal. This may be attributed to?

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#Question id: 18005

#Unit 9. Diversity of Life Forms

Which structure is common to both gymnosperms and angiosperms? 

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#Question id: 1303

#Unit 4. Cell Communication and Cell Signaling

What is a primary function of integrins?

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#Question id: 802

#Unit 1. Molecules and their Interaction Relevant to Biology

A single-stranded DNA molecule contains 40 nucleotides with equal amounts of A, C, G, and T. This DNA strand can combine with a complementary DNA strand to form a double-stranded DNA molecule. Which is a possible sequence and structure for this DNA molecule?

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#Question id: 12224

#Unit 10. Ecological Principles

Which of the following terms best describes the interaction between termites and the protozoans that feed in their gut?

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#Question id: 28534

#Unit 5. Developmental Biology

 Which of the following genes limit the number of undifferentiated meristem cells?