The function of the cell membrane is best described as... A) selectively efficient.'
B) selectively permeable.
C) to maintain the shape of the cell because it is so rigid.
D) none of the above are functions of the cell membrane.
2. Can you learn Biology through osmosis?

Which of these is not a function of some membrane proteins ? a.allowing polar molecules to enter the cell b.recognizing other types of cells c.receiving messeges from other cells b.carrying messages to oher cells

Football players often sustain lateral blows to the extended knee. which of the ligaments is (are) damaged as a result? a. suprapatellar b. oblique popliteal and extracapsular ligament c. medial collateral, medial meniscus, and anterior cruciate d. arcuate popliteal and the posterior cruciate

Which of the following produces carbon dioxide? a. plants b. animals c. decomposers d. all of the above