Use the figure to answer the question. The figure represents tRNA that recognizes and binds a particular amino acid (in this instance, phenylalanine). Which codon on the mRNA strand codes for this amino acid?

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#Question id: 28048

#Unit 1. Molecules and their Interaction Relevant to Biology

As folding progresses which of the following does not take place? 

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#Question id: 12764

#Unit 10. Ecological Principles

In which of the following habitats would you expect to find the largest number of K-selected individuals? 

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#Question id: 12103

#Unit 10. Ecological Principles

Which of the following is a good description of an ecological niche? 

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#Question id: 1718

#Unit 4. Cell Communication and Cell Signaling

When Langerhans' cells differentiate into fully mature dendritic cells (DCs) they:

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#Question id: 28782

#Unit 2. Cellular Organization

The rate of polymerization of actin filaments is given by rate constant K, in which_____

a) the addition of monomers is given by kon (M^–1 sec^–1 ) 

b) the addition of monomers is given by koff  (sec^–1)

c) the loss of monomers is given koff (M^–1 sec^–1 ) 

d) the loss of monomers is given koff (sec^–1)