The link between an activated amino acid and tRNA is an __ bond between the __ of the amino acid and a hydroxyl group of the tRNA.

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#Question id: 6994

#5. Developmental Biology

Puberty is initiated by pulse release of _____________(hormone)

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#Question id: 23156

#13. Methods in Biology

Most widely used method of detecting specific proteins, uses an antibody to which a fluorescent dye has been covalently attached

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#Question id: 11282

#10. Ecological Principles

Which of the following ecosystems would likely have the largest net primary productivity per hectare and why?

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#Question id: 2599

#2. Cellular Organization

The mRNA from the trp operon has a half-life of only about____

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#Question id: 9237

#9. Diversity of Life Forms

Which of the following factors causes extremely high levels of toxic chemicals in fish-eating birds?