TRUE or FALSE questions:
1. phospholipid molecule has a non polar, water-insoluble head attached to a long polar, soluble tail.
2.the fluid mosiac model describes the plasma membrane as a structure that is a liquid and very rigid.
3.eukaryotic plasma membranes can contain cholesterol, which tends to make the membrane more stable
4. transport proteins span the cell membrane, allowing the selectivety permeable membrane to regulate which molecules enter and leave the cell.
5. proteins at the inner surface of the plasma membrane attach the membrane to the cell's support structure, making the cell rigid.
thanks alot!!!
2007-12-08 17:47:40 · 4 answers · asked by john Smith 2 in Science & Mathematics ➔ Biology
1,4,5 true
2,3 False
2007-12-08 19:06:33 · answer #1 · answered by Lynzy 5 · 0⤊ 0⤋
3 and 4 are true.
2007-12-08 18:01:59 · answer #2 · answered by ecolink 7 · 0⤊ 1⤋
1. true
2. unsure
3. unsure
4. true
5. true
2007-12-08 18:24:11 · answer #3 · answered by Anonymous · 0⤊ 1⤋
what summer school?
2016-05-22 06:47:48 · answer #4 · answered by lindsay 3 · 0⤊ 0⤋