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Comparing a single-celled eukaryotic organism with a multicellular organism such as
yourself identify the major difference from the list below.
A. Escape from predator
B. Finding a mate
C. Division of Labor
D. Find it's own food
E. Nucleus - correct answer. C. Division of labor
The paramecium swims by way of using a flagella. - correct answer. FALSE
The contractile vacuole of the paramecium is possibly an evolutionary precursor of the
kidney. - correct answer. TRUE
The paramecium discussed in class contained an organelle called the contractile
vacuole. This is the presumed precursor of the:
A. Heart
B. Kidney
C. Liver
D. Mouth
E. Answer is not listed - correct answer. B. Kidney
In your own multicellular body, cells with different functions have different DNA. -
correct answer. FALSE
A single-celled eukaryotic organism:
A. Has a limited number of biomolecular machines.
B. Must find food, shelter, a mate and reproduce
C. Escape from predators
D. None of the above
E. Answers A,B,C - correct answer. E. Answers A,B,C
,A cell that is anchorage-dependent for growth will also exhibit contact inhibition. -
correct answer. TRUE
In your own multicellular body, different cells in your body have a division of labor
between them. - correct answer. TRUE
Compared to bacteria which of the cell types below are not responsible for finding food"
A. Lymphocyte
B. Macrophage
C. Fibroblast
D. None of the above
E. Answers a, b, and c - correct answer. E. Answers A, B, C
What limits the paramecium from acquiring more complex functions? - correct answer.
Limited number of biomolecular machines
A normal cell is anchorage-dependent for growth and mortal. - correct answer.
TRUE
In order to examine cells which are smaller than can be detected by the human senses
what needs to be used? (pick the best answer).
A. Patience
B. Hypotheses
C. Technology
D. A cell trap
E. None of the above - correct answer. C. Technology
In Cell Biology what can limit the progress of science?
A. Lymphocyte
B. Progress
C. Eating
D. Bacteria
E. Technology - correct answer. E. Technology
A cancer cell will be anchorage-dependent for growth and immortal. - correct answer.
FALSE
A cell that is itself an organism must have a minimum of four needs presented in
lecture. List these four things. - correct answer. Find food, find shelter, find a mate,
and reproduce
Write a few sentences that explain what limits an individual cell from becoming more
complex. - correct answer. Limited number in biomolecular machines
What limits how big a cell can be?
A. Color
, B. Wavelength
C. The surface area to volume ratio
D. Resolution
E. Type of electron microscopy. - correct answer. The surface area to volume ratio.
TEM provides a thin, two-dimensional section of the object being studied. - correct
answer. TRUE
In an extant prokaryotic cell, the outer boundary of life is the capsule. - correct answer.
FALSE
The ancient earth did not contain much oxygen. - correct answer. TRUE
Why is it important to know the limitations of technology? - correct answer. Unable
to view live cells under SEM magnification, Microscopy is limited with magnification.
DNA in extant prokaryotic cells is circular. - correct answer. TRUE
Loss of the cell wall is required for the endosymbiotic theory. - correct answer.
TRUE
The cytoskeleton gave rise to the nuclear envelope. - correct answer. FALSE
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.
Group of answer choices - correct answer. FALSE
List one limitation of the cell culture technique. - correct answer. -Not all cells grow
in culture
-Cells lose their histotype (in vivo shape) and 3-D structure of tissue is changed
-Metabolism likely changes
It is presumed that the peroxisomes evolved in these primitive, proto-eukaryotes to
remove oxygen, which was toxic to the primitive cells. - correct answer. TRUE
A normal cell is ____________and _________________for growth. - correct answer.
Mortal
Anchorage-dependant
Motility improved the fitness of these early cells because:
It allowed them to make a nuclear envelope.
It caused them to acquire ribosomes.
It allowed them to move away from predators and towards food.
Two of the above.
None of the above. - correct answer. It allowed them to move away from predators
and towards food