While water continually orients phospholipids into a lipid bilayer, it does not fix the lipids permanently into position. Thus, the bilayer is considered to be _______.
A. static
B. fluid
C. fluctuating
D. charged
B. fluid
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Fill in the blank(s) with the appropriate word(s).
biodegradable
What will be an ideal response?
How do bony fish regulate buoyancy?
A) With an air-filled swim bladder B) With a large, oil-filled liver C) By constantly swimming at an upwards angle D) Through the calcium in the bones, which makes the skeleton lighter than the water
What surround stomata in plant leaves and can collapse to close stomata and conserve water?