ASU Bio 181 Exam 1- NEWEST VERSION 2024 WITH QUESTIONSAND ANSWERS
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ASU Bio 181 1-
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ASU Bio 181 1-
ASU Bio 181 Exam 1- NEWEST VERSION 2024 WITH QUESTIONSAND ANSWERS
what does the nucleosomal core have in it (ie the basketball like structure on the slides)? - CORRECT ANSWERhistones
T/F molecular motor use ATP as the energy source to power the molecular motor. - CORRECT ANSWERtrue
T/F t...
ASU Bio 181 Exam 1- NEWEST VERSION 2024
WITH QUESTIONSAND ANSWERS
what does the nucleosomal core have in it (ie the basketball like structure on the
slides)? - CORRECT ANSWERhistones
T/F molecular motor use ATP as the energy source to power the molecular motor. -
CORRECT ANSWERtrue
T/F the actin filament system extends outside of the cell - CORRECT ANSWERfalse
T/F heterochromatin does not exist in interphase nuclei - CORRECT ANSWERfalse
T/F many chemotherapy drugs act by arresting the cell in m phase of the cell cycle. -
CORRECT ANSWERtrue
T/F gap 1 of the cell cycle represents the time when the cell is doing what its suppose to
do as part of its cell type. in other words, that is when a liver cell is doing it function as a
liver cell. - CORRECT ANSWERtrue
list the three categories of cells in the body with regard to the cell cycle: - CORRECT
ANSWER1) cells that never go through the cell cycle again once you're born (neurons,
muscles)
2) cells that can be induced to go through the cell cycle by injury (liver)
3) cells that are constantly going through the cell cycle. (skin, blood cells,
intestine/enterocytes)
T/F cytoplasmic signal transduction controls the checkpoints of the cell cycle. -
CORRECT ANSWERtrue
T/F in your body not all cells go through the cell cycle - CORRECT ANSWERtrue
T/F at these checkpoints a cyclin works with a cyclin-dependent kinase (i.e cdk) to
regulate the checkpoint. - CORRECT ANSWERtrue
T/F cancer can be described as a loss of cell cycle regulation. - CORRECT
ANSWERtrue
the activation of both MPF and MAPK results in _______ _______ (two words) of the
cytoplasm during M-phase. - CORRECT ANSWERsetting down
, T/F the synthesis/presence of cyclin is what turns on the Cdk as the Cdk is always
present but it is the cyclin that is synthesized and degarded in cycles. - CORRECT
ANSWERtrue
T/F during mitosis the cytoplasm of the cell is settled down - CORRECT ANSWERtrue
the ________ begins to destroyed at the metaphase of the cell cycle causing the
chromosomes to begin to_______. - CORRECT ANSWERcyclin B1
decondense
T/F in the time span of 10 years every cell in your adult body goes through the cell cycle
- CORRECT ANSWERfalse
The association of ribosomes with _____ invaginations would support the _____ theory.
- CORRECT ANSWERmembrane, endomembrane
After a cell is pancake shaped in a cell culture dish, the order of events that occurs as a
cell walks is? - CORRECT ANSWERfilapodia, 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 ANSWERtrue
T/F In an extant prokaryotic cell the outer boundary of life is the capsule. - CORRECT
ANSWERfalse
T/F When cancer cells are crowded by surrounding cells, the cancer cells become
spherical and they can still go through cell division. - CORRECT ANSWERtrue
T/F Loss of the cell wall was required for the endomembrane system theory. -
CORRECT ANSWERtrue
T/F Fluorescence microscopy is form of light microscopy - CORRECT ANSWERtrue
T/F Loss of the cell wall is required for the endosymbiotic theory. - CORRECT
ANSWERtrue
T/F TEM provides a thin, two-dimensional section of the object being studied. -
CORRECT ANSWERtrue
T/F The sytoskeleton enabled the primitive cell to become motile. - CORRECT
ANSWERtrue
T/F the ancient earth did not contain much oxygen - CORRECT ANSWERtrue
A normal cell is _____ and ____ for growth. - CORRECT ANSWERmortal, anchorage
dependent
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