Glycolysis and gluconeogenesis are reciprocally regulated by a common regulator, fructose-2,6-bisphosphate. Levels of fructose-2,6-bisphosphate are regulated by:

Which of the following statements is true? 1. the mantle of the earth is made of solid nickel and iron. 2. the crust of the earth is made of solid nickel and iron. 3. the inner core is made of solid nickel and iron.

Name the plastid and pigment likely to be found in the cells of (a) petals of sunflower (b) ripe tomato.

1. which of the following is correct regarding opiates/opioids: a. they all have a natural component as a starting pointb. they have low addiction possibilitiesc. methadone binds to some of the same receptorsd. a and care correcte. all are correct