AP Bio 4,5,24.2
What factors would tend to increase membrane fluidity
A greater portion of unsaturated phospholipids
Which structure is NOT part of the endomembrane system?
Chloroplast
In what way do the membrane of a eukaryotic cell vary?
Certain proteins are unique to each kind of membrane
What is the most likely pathway taken by a newly synthesized protein that will be secreted by a cell?
ER, golgi, vesicles that fuse with plasma membrane
Lipid-soluble signaling molecules, such as testosterone, cross the membranes of all cells but effect only target cells because
Intracellular receptor are present only in target cells
Which structure- function pair is MISMATCHED?
Microtubule-muscle contraction
Cyanide binds to at least one molecule involved in producing ATP. If a cell is exposed to cyanide, most if the cyanide will be found within the ______
Mitochondria
Which structure is common to plant and animal cells
Mitochondrion
Which cell would be best for studying lysosomes?
Phagocytic white blood cell
Which of the following is present in a prokaryotic cell?
Ribosome
Phosphorylation cascades involving a series of protein kinases are useful for cellular signal transduction because
They amplify the signal manyfold