Classify each function as a power function, root function, polynomial (state its degree), rational function, algebraic function, trigonometric function, exponential function, or logarithmic function. (a) y x (b) y x (c) y x 2 s2 2 x 3 d (d) y tan t 2 cos t (e) y s 1 1 s (f) y sx 3 2 1 1 1 s 3 x

Exam3StudyGuide 1.Knowthemoleculardefinitionofagene AlltheDNAsequencenecessarytosynthesizeafunctionalmoleculeand/orprotein 2.Knowthebasicstepsoftranscription.Describewhathappensateachstep. BasicSteps: 1.Recognitionofthecorepromoter,bindingof TFIID(TBP),TFIIA,andTFIIBrecruitsRNAPII 2.Initiation-BindingofRNAPIIcomplexedwithTFs,mediatorcomplex+more=the holoenzyme.Interactionsbetweenholoenzymeandactivators(specificTFs)in regulatory regionstriggerinitiation(changeinproteinconformation) -releasefromthepromoter.CTD Tailphosphorylationisinvolvedininitiation. 3.Elongation-Elongationfactorsadded=RNApolIImovesalongtheDNAtranscribingthe RNAmol