1. Calculate the pH of a solution which is 0.428 M in oxalic acid and 1.44 M in oxalate. 2. What is the pH of a solution that is 45.5 mM in acetic acid and 1.11 M in acetate? 3. A solution which is 3.19X10 to the -3 M in an acid (HA) and 6.78x10 to the -3 M in its conjugate base (A-) is found to have a pH of 8.65. What i
What will happen to Glucose, Pyruvate and CO2 if cyanide stops the electron transport system?
A mutant strain of E.coli expresses trp operon mRNA but still cannot synthesize trypophan. How could this mutant phenotype result?
A mutant strain of E.coli has constitutive expression of the trp operon. How could this mutant phenotype result? Ideas are explained.
What would be the effect on lac operon expression in the following media that contains a strain of E.Coli? What if this mutant also contained an O^- mutation? a. Glucose b. Lactose c. Glucose + Lactose
What takes place at an ecological and physiological level during the freezing and thawing process of the wood frog?
For a weak electrolyte that ionizes as: HX --> H+ + X- construct a buffer with a ratio of 5 moles of HX/2.1 moles X-. The reaction is maintained at pH = 8.7. What is the pKa of the acid?
With particular emphasis on the biochemistry, discuss the machinery involved in the transcriptional process.