The THI-element is part of the operon that controls synthesis of thymine in mRNA.
Answer the following statement true (T) or false (F)
False
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Archaea have very diverse environmental requirements and tolerances. From what you have learned about them, which among the following conditions or substances do ALL archaeans require for survival and reproduction?
A. oxygen B. carbon C. moderate pH D. moderate temperature E. moderate salinity
When we know what kinds of ____ are present in an organic compound, we can predict its chemical behavior
a. proteins b. enzymes c. triacylglycerols d. macomolecules e. functional groups
Frederick Griffith discovered
A) transformation. B) transposons. C) the lac operon. D) DNA. E) conjugation.
Which of the following best supports the idea that organisms and environments have changed over time?
A. the discovery of fossilized fern plants in Antarctica B. the production of sterile hybrid animals such as the mule C. the many different species of plants in tropical areas D. the ability of many animals to learn new behaviors