Practice Questions

TLS Online TPP Program

#Question id: 565

A transition-state analog:

#Unit 1. Molecules and their Interaction Relevant to Biology

is less stable when binding to an enzyme than the normal substrate.
resembles the active site of general acid-base enzymes.
resembles the transition-state structure of the normal enzyme-substrate complex.
stabilizes the transition state for the normal enzyme-substrate complex.

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TLS Online TPP Program

#Question id: 5227

#Unit 11. Evolution and Behavior

One of the characteristics of retrotransposons is that

TLS Online TPP Program

#Question id: 4566

#Unit 11. Evolution and Behavior

Which of these naturalists synthesized a concept of natural selection independently of Darwin?

TLS Online TPP Program

#Question id: 10818

#Unit 10. Ecological Principles

Which of these relationships is generally not considered one that underlies community structure?

TLS Online TPP Program

#Question id: 19352

#Unit 12. Applied Biology

Reporter genes have been extensively used to assay the function of promoters and other regulatory sequences, and also to demonstrate the

TLS Online TPP Program

#Question id: 10742

#Unit 10. Ecological Principles

Interior species