Which of the following is not a physiological benefit of regular physical activity?
a. enhances gastric motility .
b. enhances the action of insulin.
c. decreases high-density lipoprotein (HDL) cholesterol .
d. improves sleep patterns.

26 a medida que cambia el clima, ¿qué tipo de reproducción más probablemente de a una especie mayores posibilidades de supervivencia?

In trying to determine whether dna or protein is the genetic material, hershey and chase made use of which of the following facts? a) dna contains sulfur, whereas protein does not. b) dna contains phosphorus, whereas protein does not. c) dna contains nitrogen, whereas protein does not. d) dna contains purines, whereas protein includes pyrimidines.

There are only about 250,000 known fossil species. true or false