Find the y-intercept for the graph of the quadratic function.f(x) = -x2 + 2x + 3

What are the 6 auditory processing skills? Select all that apply. 

What types of tests cannot be performed when someone has outer ear atresia? 

You have just mixed 20 mL of 0.1 M solution of weak acid with 8 mL of 0.1 M solution of NaOH (strong base).  The measured pH is 5.12 for the resulting solution.  Please calculate the pKa value for the weak acid.  

Consider a 9-mer peptide with the sequence Glu-His-Trp-Ser-Gly-Leu-Arg-Pro-Gly and assuming ionization constants of:                        pKCOOH= 2.0, pKNH2= 8.0, pKGlu= 4.0, pKHis= 6.0, pKArg=12.5              

The tense form (T-state) of an allosteric enzyme has higher affinity for the substrates.  

Give the number of charged groups at pH 3.0

The antibiotic penicillin is an example of a drug design known as a “Transition-State Analog Inhibitor”. 

Match the amino acids (using letter in parenthesis) with the appropriate side chain types or properties.

ATP can bind to the regulator subunits of the allosteric enzyme ATCase which catalyzes reaction for the first step of pyrimidine nucleotide biosynthesis.  Which of the following best describes the effect of ATP on ATCase?