ASU BIO 181 EXAM QUESTIONS AND
ANSWERS (VERIFIED AND WELL
DETAILED ANSWERS) LATEST UPDATE
2025/2026
The association of ribosomes with _____ invaginations would support the _____
theory. - (ANSWER)membrane, endomembrane
After a cell is pancake shaped in a cell culture dish, the order of events that occurs
as a cell walks is? - (ANSWER)filapodia, lamellipodia, cell muscle, retraction fiber
T/F It is presumed that the peroxisomes evolved in these primitive, proto-
eukaryotes to remove oxygen, which was toxic to the primitive cells. -
(ANSWER)true
T/F In an extant prokaryotic cell the outer boundary of life is the capsule. -
(ANSWER)false
T/F When cancer cells are crowded by surrounding cells, the cancer cells become
spherical and they can still go through cell division. - (ANSWER)true
T/F Loss of the cell wall was required for the endomembrane system theory. -
(ANSWER)true
T/F Fluorescence microscopy is form of light microscopy - (ANSWER)true
, 2
T/F Loss of the cell wall is required for the endosymbiotic theory. - (ANSWER)true
T/F TEM provides a thin, two-dimensional section of the object being studied. -
(ANSWER)true
T/F The sytoskeleton enabled the primitive cell to become motile. -
(ANSWER)true
T/F the ancient earth did not contain much oxygen - (ANSWER)true
A normal cell is _____ and ____ for growth. - (ANSWER)mortal, anchorage
dependent
T/F Ribosomes bound to some of the membrane invaginations in the
endomembrane theory - (ANSWER)true
T/F the cytoskeleton gave rise to the nuclear envelope - (ANSWER)false
What limits how big a cell can be? - (ANSWER)the surface area to volume ratio
T/F DNA in extant prokaryotic cells is circular. - (ANSWER)True