ASU BIO 181 EXAM 1 ,2 AND 3 LATEST ACTUAL EXAM
QUESTIONS AND CORERCT DETAILED ANSWERS
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
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
, Why did Motility improved the fitness of these early cells? - ANSWER: it allowed
them to move away from predators and towards food
T./F the end of the retraction fiber touching the cell culture plate still contains the
cell equivalent of super glue. - ANSWER: true
T/F the presumed first step in the transition of the primitive, proto-prokaryotic cell
into the primitive, proto-eukaryotic cell was the loss of the cell wall. - ANSWER: true
1n order to examine cells which are smaller than can be detected by the human
senses what needs to be used ? - ANSWER: technology
A cell that is itself an organism must have a minimum of four needs presented in
lecture - ANSWER: find food, find shelter, find mate, and reproduce.
compared to bacteria which of the cell types below are not responsible for finding
food? - ANSWER: lymphocyte, macrophage, and fibroblast
T/F In your own mulitcellular body, different cells in your body have a division of
labor between them. - ANSWER: true
T/F The paramecium swims by way of using a flagella - ANSWER: false
T/F A normal cell is anchorage-dependent for growth and mortal - ANSWER: true
what limits the paramecium from acquiring more complex functions? - ANSWER:
cannot fit anymore biomachinery into its space
comparing a singled cell eukaryotic organism with a multicellular organism such as
yourself identify the major difference from the list below. - ANSWER: division of
labor
in the cell biology what can limit the progress of science - ANSWER: technology
T/F a cell that is anchorage-dependent for growth will also exhibit contact inhibiton.
- ANSWER: true
explain what limits an individual cell from becoming more complex - ANSWER:
individual cell have a limit number of biomolecular machines. In a multicellular
organism you get a division of labor between different cell types so that the whole
can do more than the sum of the parts with similar number of biomolecular
machines per cell.
T/F the contractile vacuole of the paramecium is possibly an evolutionary of the
kidney - ANSWER: true
QUESTIONS AND CORERCT DETAILED ANSWERS
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
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
, Why did Motility improved the fitness of these early cells? - ANSWER: it allowed
them to move away from predators and towards food
T./F the end of the retraction fiber touching the cell culture plate still contains the
cell equivalent of super glue. - ANSWER: true
T/F the presumed first step in the transition of the primitive, proto-prokaryotic cell
into the primitive, proto-eukaryotic cell was the loss of the cell wall. - ANSWER: true
1n order to examine cells which are smaller than can be detected by the human
senses what needs to be used ? - ANSWER: technology
A cell that is itself an organism must have a minimum of four needs presented in
lecture - ANSWER: find food, find shelter, find mate, and reproduce.
compared to bacteria which of the cell types below are not responsible for finding
food? - ANSWER: lymphocyte, macrophage, and fibroblast
T/F In your own mulitcellular body, different cells in your body have a division of
labor between them. - ANSWER: true
T/F The paramecium swims by way of using a flagella - ANSWER: false
T/F A normal cell is anchorage-dependent for growth and mortal - ANSWER: true
what limits the paramecium from acquiring more complex functions? - ANSWER:
cannot fit anymore biomachinery into its space
comparing a singled cell eukaryotic organism with a multicellular organism such as
yourself identify the major difference from the list below. - ANSWER: division of
labor
in the cell biology what can limit the progress of science - ANSWER: technology
T/F a cell that is anchorage-dependent for growth will also exhibit contact inhibiton.
- ANSWER: true
explain what limits an individual cell from becoming more complex - ANSWER:
individual cell have a limit number of biomolecular machines. In a multicellular
organism you get a division of labor between different cell types so that the whole
can do more than the sum of the parts with similar number of biomolecular
machines per cell.
T/F the contractile vacuole of the paramecium is possibly an evolutionary of the
kidney - ANSWER: true
