Methapyrilene, once an active ingredient in certain over-the-counter sleeping pills, was found to be a potent carcinogen (a substance that causes cancer). The pills were also found to be about as effective as placebos in promoting sleep.
The desirability quotient (DQ) for methapyrilene is A) low.
B) moderate.
C) high.
D) uncertain.
Question 2
Which of the following chemical substances would you expect to have the highest melting point?
A) water, H2O
B) methyl alcohol, CH3OH
C) nitrogen dioxide, NO2
D) hydrogen sulfide, H2S
) Ornithine and citrulline, which are not found in proteins
Two general models for the interconversion of inactive and active forms of a protein during cooperat
Miocene apes were found throughout Europe, continental Asia, and Africa.
Early in the twentieth century, when malnutrition was common, companies such as this one advertised
Elements Found in Organisms
Three active forms of vitamin A: all-trans-retinol, -retinal, and –retinoic acid