Dna is made of nucleotides which are composed of
a. a protein group, a sugar group and a nitrogenous base.
b. a phosphate group, a starch group and a nitrogenous base.
c. a sugar group, an amino acid group and a nitrogenous base.
d. a phosphate group, a sugar group and a nitrogenous base.

the correct answer is: d. the saltine and pretzel are made of flour, yeast, and baking soda, and salt. the pecan contains no flour but it does contain fats. the pecan is a nut that can be consumed as a healthy snack. first of all, pecans are a source of fat (monounsaturated fat), but they provide less fat than some other nuts. pecans are a rich source of dietary fiber, manganese magnesium, phosphorus, thiamin, vitamin e…