ASU Bio 181 Exam 1 with Verified Answers
1. membrane, endomembrane
2. filapodia, lamellipodia, cell muscle, re-
traction fiber
3. true
4. false
5. true
6. true
7. true
8. true
9. true
The association of ribosomes
with invaginations would
support the theory.
After a cell is pancake sha...
ASU Bio 181 Exam 1 with Verified Answers
1. membrane, endomembrane The association of ribosomes
with invaginations would
support the theory.
2. filapodia, lamellipodia, cell muscle, re- After a cell is pancake shaped
traction fiber in a cell culture dish, the order
of events that occurs as a cell
walks is?
3. true T/F It is presumed that the per-
oxisomes evolved in these prim-
itive, proto-eukaryotes to re-
move oxygen, which was toxic
to the primitive cells.
4. false T/F In an extant prokaryotic cell
the outer boundary of life is the
capsule.
5. true T/F When cancer cells are
crowded by surrounding cells,
the cancer cells become spheri-
cal and they can still go through
cell division.
6. true T/F Loss of the cell wall was
required for the endomembrane
system theory.
7. true T/F Fluorescence microscopy is
form of light microscopy
8. true T/F Loss of the cell wall is
required for the endosymbiotic
theory.
9. true T/F TEM provides a thin, two-di-
mensional section of the object
being studied.
, ASU Bio 181 Exam 1 with Verified Answers
10. true T/F The sytoskeleton enabled
the primitive cell to become
motile.
11. true T/F the ancient earth did not
contain much oxygen
12. mortal, anchorage dependent A normal cell is and
for growth.
13. true T/F Ribosomes bound to some
of the membrane invaginations
in the endomembrane theory
14. false T/F the cytoskeleton gave rise to
the nuclear envelope
15. the surface area to volume ratio What limits how big a cell can
be?
16. True T/F DNA in extant prokaryotic
cells is circular.
17. it allowed them to move away from preda- Why did Motility improved the
tors and towards food fitness of these early cells?
18. true T./F the end of the retraction
fiber touching the cell culture
plate still contains the cell equiv-
alent of super glue.
19. 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.
20. technology 1n order to examine cells which
are smaller than can be detect-
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