BIO 353 Cell Biology Exam 1 Updated Solution Arizona State University

BIO 353 (Cell Biology) Exam 1 Updated Solution Arizona State University
1. Unsatu sites in the fatty acid tails of phospholipids are places
that water can use to leak through the membrane.
Correct Answer -True
2. Phosphatidylserine influences a great deal of area primarily due to its
large size.
Correct Answer -False
3. Transmembrane proteins _________.
Correct Answer -can move laterally and cannot flip 180Ëš in the
membrane
4. The presence of two disulfide bonds near each other is a good thing
when a stretch of protein is to be immobilized.
Correct Answer -True
5. The empty center of a single pass transmembrane protein provides a
channel for the transport of ions.
Correct Answer -False
6. Membrane anchors set up geography in a cell.
Correct Answer -True