Which of the following correctly describes the structural organization of the cell membrane?
A. Rigid layers of protein molecules in which carbohydrate molecules are suspended
B. A bilayer of phospholipid molecules in which protein molecules are embedded and can move
C. A solid, rigid layer of phospholipid with loosely bound protein molecules
D. Three layers; lipid on the inside, protein in the middle, and carbohydrates (and polysaccharides) on the outside
Answer: B
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Indicate whether this statement is true or false.
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What will be an ideal response?
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A. white. B. brown. C. transparent. D. gray.
Which of the following structures prevents knee hyperextension?
A) The anterior cruciate ligament (ACL) B) The posterior cruciate ligament (PCL) C) The lateral meniscus D) The medial meniscus E) The fibular (lateral) collateral ligament