ASU Bio 181 Exam 1 – Complete Study Guide
with Key Concepts and Detailed Answers
The association of ribosomes with _____ invaginations would support the _____ theory.
- correct answers ✔✔membrane, endomembrane
After a cell is pancake shaped in a cell culture dish, the order of events that occurs as a
cell walks is? - correct answers ✔✔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. - correct answers ✔✔true
T/F In an extant prokaryotic cell the outer boundary of life is the capsule. - correct
answers ✔✔false
T/F When cancer cells are crowded by surrounding cells, the cancer cells become
spherical and they can still go through cell division. - correct answers ✔✔true
T/F Loss of the cell wall was required for the endomembrane system theory. - correct
answers ✔✔true
, T/F Fluorescence microscopy is form of light microscopy - correct answers ✔✔true
T/F Loss of the cell wall is required for the endosymbiotic theory. - correct answers
✔✔true
T/F TEM provides a thin, two-dimensional section of the object being studied. - correct
answers ✔✔true
T/F The sytoskeleton enabled the primitive cell to become motile. - correct answers
✔✔true
T/F the ancient earth did not contain much oxygen - correct answers ✔✔true
A normal cell is _____ and ____ for growth. - correct answers ✔✔mortal, anchorage
dependent
T/F Ribosomes bound to some of the membrane invaginations in the endomembrane
theory - correct answers ✔✔true
T/F the cytoskeleton gave rise to the nuclear envelope - correct answers ✔✔false
What limits how big a cell can be? - correct answers ✔✔the surface area to volume ratio
T/F DNA in extant prokaryotic cells is circular. - correct answers ✔✔True
with Key Concepts and Detailed Answers
The association of ribosomes with _____ invaginations would support the _____ theory.
- correct answers ✔✔membrane, endomembrane
After a cell is pancake shaped in a cell culture dish, the order of events that occurs as a
cell walks is? - correct answers ✔✔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. - correct answers ✔✔true
T/F In an extant prokaryotic cell the outer boundary of life is the capsule. - correct
answers ✔✔false
T/F When cancer cells are crowded by surrounding cells, the cancer cells become
spherical and they can still go through cell division. - correct answers ✔✔true
T/F Loss of the cell wall was required for the endomembrane system theory. - correct
answers ✔✔true
, T/F Fluorescence microscopy is form of light microscopy - correct answers ✔✔true
T/F Loss of the cell wall is required for the endosymbiotic theory. - correct answers
✔✔true
T/F TEM provides a thin, two-dimensional section of the object being studied. - correct
answers ✔✔true
T/F The sytoskeleton enabled the primitive cell to become motile. - correct answers
✔✔true
T/F the ancient earth did not contain much oxygen - correct answers ✔✔true
A normal cell is _____ and ____ for growth. - correct answers ✔✔mortal, anchorage
dependent
T/F Ribosomes bound to some of the membrane invaginations in the endomembrane
theory - correct answers ✔✔true
T/F the cytoskeleton gave rise to the nuclear envelope - correct answers ✔✔false
What limits how big a cell can be? - correct answers ✔✔the surface area to volume ratio
T/F DNA in extant prokaryotic cells is circular. - correct answers ✔✔True