QUICK! Which of the following is the best description of the plasma membrane’s basic structure? Question 1 options:

a phospholipid layer and a protein layer

a phospholipid bilayer with proteins embedded in the layers

a hydrophilic head and a hydrophobic tail

a protein bilayer with phospholipids embedded in the layers

The chart shows the bid provided by four contractors to complete a job. which contractor is the most cost-effective?

If we compare and contrast electromagnetic waves with sound waves, all but one statement is true. that is a) sound waves require a medium to travel while electromagnetic waves do not. b) electromagnetic waves can travel through the vacuum of space while sound waves cannot. c) electromagnetic waves must have a medium in which to travel, but sound waves can travel anywhere. eliminate d) sound waves must bounce off of matter in order to travel while electromagnetic waves do not require matter to be present.

When the mercury level in a barometer decreases that atmospheric pressure has