According to the fluid mosaic model of cell membranes, which of the following is a true statement about membrane phospholipids? a) they can move laterally along the plane of the membrane. b) they frequently flip-flop from one side of the membrane to the other. c) they occur in an uninterrupted bilayer, with membrane proteins restricted to the surface of the membrane. d) they are free to depart from the membrane and dissolve in the surrounding solution. e) they have hydrophilic tails in the interior of the membrane.

How would you describe an allele that be expressed and determines an organisms appearance? a.uncapitalized b.responsive c.recessive d.dominant

Which two molecules generated by the krebs cycle pass their high-energy electrons to the electron transport chain? a. nadh b. c6h12o6 c. fadh2 d. nad+

Which of the following initial observations would more directly lead to this research study? a) ginko biloba is cost effective and also possesses heart-protective, antioxidant, anti-inflammatory properties. b) metformin is an effective treatment of patients with t2d, but shows side effects that complicate the disease state. c) over the past several years, the cost of treating t2d within the united states has increased dramatically. d) many plants contain molecules that improve the health and quality of life of patients with a variety of diseases like t2d. e) t2d affects millions of individuals in the usa and worldwide many of who could benefit from improved therapies.