ASU BIO 353 Exam 2 Questions And Answers With Latest Tests

ASU BIO 353 Exam 2 Questions And Answers With Latest Tests
Actin Filaments are present in: - Answer The cell's cortex
Microtubules are present in: - Answer The cell's interior
Cytokinesis in plant and animal cells takes two forms: - Answer Animal: Contractile
Ring Formation
Plant: Phragmoplast Formation
An important checkpoint regulator is at the Gap 2/M-phase transition. Here, Cyclin B
and cdkl1 activate and form MPF which becomes a _____ _____ and causes DNA
to condense into _____. - Answer Histone Kinase
Chromosomes
The _____ begins to be destroyed at the Metaphase of the cell cycle causing the
chromosomes to begin to _____. - Answer Cyclin B1
Decondense
The activation of both MPF and MAPK result in _____ _____ of the cytoplasm during
M-phase. - Answer Settling down
MAPK has two different functions depending on where this Kinase acts in the _____
_____. If the Kinase becomes active during interphase, the cell is triggered to
progress through the _____ _____. - Answer Cell cycle
Cell cycle
Two types of second messengers discussed in lecture can exist downstream of a
plasma membrane receptor. These are _____ and _____. - Answer Cyclic AMP
MAP Kinase
There are two basic forms of cytoplasmic signaling (i.e signal transduction). One
uses _____ and the other uses _____. - Answer Protein Kinases
Calcium Signal
What is the difference between a single-pass transmembrane protein and a 7-pass
transmembrane protein? - Answer A single pass TMP is a singular protein that
passes once through the bilayer. A 7-pass protein passes through the bilayer 7
times, creating a channel for ions to pass through. A single pass TMP cannot create
an ion channel.
Is a cancer cell anchorage independent and immortal, or is it anchorage dependent
and mortal? Do they exhibit contact inhibition? - Answer They are anchorage
independent and immortal, and they do not exhibit contact inhibition, because they
continue to grow despite their surroundings.
If something is soluble in water, a hydration forms around it and it is termed: -
Answer Hydrophilic.
What limits the paramecium from acquiring more complex functions? - Answer The
paramecium cannot fit any more biomachinery into its space.
ASU BIO 353 Exam 2 Questions And Answers With
Latest Tests
What limits an individual cell from becoming more complex? - Answer Division of
labor.
T/F: In your own multicellular body, different cells have a division of labor between
them: - Answer True.
T/F: A normal cell is anchorage-dependent for growth and mortal: - Answer True.
Comparing a single-celled Eukaryotic organism with a multi-cellular organism such
as yourself, what is the major difference: - Answer Division of labor.
T/F: In your own multicellular body, cells with different functions have different DNA:
- Answer False.
A single celled Eukaryotic organism: - Answer Has a limited number of biomolecular
machines
Must find food, shelter, a mate, and reproduce
Must escape from predators
The paramecium discussed in class has contained an organelle called the contractile
vacuole. This is the presumed precursor of the: - Answer Kidney.
T/F: A cell that is anchorage-dependent for growth will also exhibit contact inhibition:
- Answer True.
In order to examine cells that are smaller than can be detected by the human eye,
what needs to be used? - Answer Technology.
Compared to bacteria, which of the cell types are not responsible for finding food? -
Answer Lymphocyte
Macrophage
Fibroblast
In cell biology, what can limit the progress of science? - Answer Technology.
T/F: The contractile vacuole of the paramecium is possibly an evolutionary precursor
of the kidney: - Answer True.
T/F: A cancer cell will be anchorage-dependent for growth and immortal: - Answer
False.
T/F: The paramecium swims by way of using a flagella: - Answer False.
T/F: The cytoskeleton allowed the primitive cell to become motile: - Answer True.
T/F: Ribosomes bound to some of the membrane invaginations in the
endomembrane theory: - Answer True.

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