The cells that make up a tetrapod limb arise from three developing tissues:

The ____a______ will provide skeletal precursors to the limb.

The _____b____ will provide muscle precursors to the limb.

The _____c____ will provide the skin of the limb.

Which of the following option is correct?

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#Question id: 4178

#Unit 3. Fundamental Processes

The acceptor stem of tRNA consists of the __.

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#Question id: 16966

#Unit 11. Evolution and Behavior

CCR5 that plays a role in inflammatory response. Unfortunately, this protein is also a key to human immunodeficiency virus (HIV) infection. The virus binds to a loop of the CCR5 protein and then enters the cell. Some people have an allele called Δ32 at the CCR5 locus in which 32 bp are deleted. The missing part of the gene codes for the loop in the protein to which the virus attaches. Which statements is true for CCR5?

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#Question id: 12570

#Unit 10. Ecological Principles

Extinction is a natural phenomenon. It is estimated that 99% of all species that ever lived are now extinct. Why then do we say that we are now in a biodiversity crisis?

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#Question id: 10958

#Unit 7. System Physiology – Animal

Which of the following would be appropriate therapy for massive pulmonary embolism?

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#Question id: 9228

#Unit 9. Diversity of Life Forms

Use the following figure to answer the question

Looking at the figure showing the results of forest fragmentation, what can be said about edge effects?