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