Diacylglycerol (DAG) activates a) phosphatidylinositol (PI)-specific phospholipase C. b) protein kinase A. c) protein kinase C. d) glycogen phosphorylase. e) phosphorylase kinase.

Explain why phospholipid molecules form a bilayer. (3 marks)

How have high taxes on tobacco products impacted the number of people who use them? a. the number of tobacco users has increased. b. the number of tobacco users has decreased. c. the number of tobacco users has not changed. d. the number of adolescent tobacco users decreased, while the number of adult users increased

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