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Suppose we have the counts of A, T, C, G in chromosome 1 of some individual. Denote them by  nA, nT, nC, nG.  Our goal is to check whether the A-T and C-G base pairing rule exists in human genome by hypothesis testing. Which of the following is the best choice for the test statistic? (Note that |x| denotes the absolute value of x.)

The cranial cavity contains the brain. 

Explain with the help of examples, how cardiovascular system, digestive system, respiratory system, urinary system and integumentary system work together.

Which time frame is the most critical for limiting radiation exposure to an unborn fetus of an employee?

what would be the pH of a saturated copper (II) hydroxide solution? 

if it takes 30 ml of 0.75M KOH to titrate 25ml of Nitric acid (HNO3) what is the concentration of nitric acid?

                              HC7H5O5 + NaOH ————NaC7H5O5 + H2O  and Ka= 6.5*10-5 If 20 ml of benzoic acid is titrated with 0.2M NaOH and it take 40ml what is the concentration of the acid? 

  HC7H5O5 + NaOH ————NaC7H5O5 + H2O  and Ka= 6.5*10-5 If 20 ml of benzoic acid is titrated with 0.2M NaOH and it take 40ml what is the pH before any base is added? 

One word/phrase answer: To whom did Paris award the apple in his judgment and why?

One word/phrase answer: Who carries on an adulterous affair with Clytemnestra?