Why are phospholipids arranged in a bilayer in cell membranes?
Select one:
O a. The hydrophobic heads are attracted
to water and arrange themselves to be
immersed.
O b. They hydrophilic heads repel water
and arrange themselves to be inside the
membrane.
O c. The hydrophilic tails are attracted to
water and arrange themselves to be
immersed.
O d. They hydrophobic tails repel water
and arrange themselves to be inside the
membrane.

Which of the following can be reduced by the use of renewable energy sources? a. social costs b. economic costs c. environmental costs d. all of the above select the best answer from the choices provided a b c d

Astudent reads the following text in a science book: scientific evidence tells us that the cause of earths four seasons is the tilt of earth as it revolves around the sound the student is instructed to illustrate this information in a science book. how will the student illustrate winter in the northern hemisphere? a. earths northern hemisphere will tilt away from the sun. b. earths northern hemisphere will tilt toward the sun. c. earths orbit will be farther away than from the sun d. earths southern hemisphere will tilt away from the sun.

Why did rutherford say that bombarding atoms with particles was like "playing with marbles" what