Download study cards for chapter 10 test

Embryonic stem cells
gathered from the inner cell
mas of the blastocyst are
called ________.
pluripotent
Harvesting ______ stem cells from a
willing donor is not as controversial as
harvesting techniques that involve the
destruction of an embryo.
adult
In all forms of ________, the
diseased cells fail to respond
to the signals that regulate
growth and the cell cycle.
cancer
Adult skin cells can no longer
become other types of cells
because they have already
undergone ___________.
differentiation
During normal development the
cells between toes and fingers
die by _______ a process of
programmed cell death.
apoptosis
The process by which a cell
divides into two daughter
cells is called ________.
cell division
Which of the
following happens
when a cell divides?
Each daughter cell
receives its own copy of
the parent cell's DNA
After celldivision
each daughter cell
has_____.
a higher surface
area/volume ratio
than the parent cell.
Compared to small
cells, large cells have
more trouble _____.
moving needed
materials in and
waste products out.
All of the following are
problems that growth causes
for cells except_____.
excess
oxygen
The rate at which wastes are
produced by a cell partially
depends on the cell's
________.
volume
If the surface of a cell that is
shaped like a cube increases
100 times, its volume
increases about ________.
1000 times
As a cell becomes
larger, its
_________.
volume increase
faster than its surface
area.
The larger a cell becomes,
the ______ efficiently it is
able to function.
less
During _______ reproduction, cell can
produce genetically different offspring,
whereas during ________
reproduction, cell produce genetically
identical offspring.
sexual,
asexual
The number of sister
chromatids in a human body
cell that is entering cell
division is _______.
92
Cell division occurs in two
main stages, the first of which
is called _________.
mitosis
Together the G1 phase,
S phase, and G2 phase
are called _______.
interphase
A cell that has 5
chromosomes in the G1
phase will have _____
chromatids in the G2 phase.
10
Which of the following is
a possible future benefits
of stem cell research?
reversing damage
from a heart attack
Why are stem
cells important?
They have the
potential to develop
into other cell types
During early development, all cells in
the embryo of a multicellular organism
are identical. Later on in development,
the cells will become specialized
through a process called _______.
differentiation
Cancer
affects_______.
multicellular
organisms only
A cell with a
defective p53 gene is
likely to _______.
stop responding to
growth regulators
Cancer is a disorder in which
some cells have lost the
ability to control their______.
tumors
Cancer is a disorder in which
some cells have lost the
ability to control their_____.
growth rate
Which of the following
are external regulators
of the cell cycle?
growth factors
Cyclins are a family of
closely related proteins
that ________.
regulate the
cell cycle
An advantage of sexual
reproduction over asexual
reproduction in that sexual
reproduction ______.
provides genetic
diversity
Which advantage of having
the a cell's DNA bundled into
separate chromosomes?
During cell division, each
daughter cell will get the
same number of genes.
Which of the following
lists structures from
smallest to largest?
double helix,
nucleosome, coil,
supercoil, chromosome
When during the cell
cycle are
chromosomes visible?
only during
cell division
During which phase
in the cell cycle does
mitosis happen?
M phase
Which pair includes a phase
of the cell cycle and a cellular
process that occurs during
the phase?
G2 phase,
preparation for
mitosis
When during the cell
cycle is a cell's DNA
replicated?
S phase
Which event occurs
during interphase?
Centrioles
duplicate
Which of the following is a
correct statement about the
events of the cell cycle?
Interphase consists
of the G1, S, and G2
phases
One difference between cell
divison in plants cells and in
animal cells is that plant cells
have ______.
a cell plate
During normal mitotic cell division, a
parent cell that has four chromosmes
will produce two daughter cells, each
containing________.
four
chromosmes
The two main stages
of cell division are
called_________.
mitosis and
cyokinesis
What role of the
spindle fibers during
mitosis?
The help separate
the chromosomes
Which of the following
represents the phases of
mitosis in their proper
sequences?
prophase,
metaphase,
anaphase, telophase.
During which phase of mitosis
do the chromosomes line up
along the middle of the
dividing cell?
metaphse
The first phase of
mitosis is
called_______.
prophase
Which of the
following is a phase
of mitosis?
prophase
During which phase of mitosis
are structures like th eone
shown in figure 10-5 visible?
prophase,
metaphase, and
anaphase
When cells are grown in a
laboratory, which of the following
is a factor that can stop normal
cells from dividing?
contact with
other cells
Cells grown in a petri dish tend to divide until they
form a thin layer covering the bottom of the dish, If
cells are removed from the middle of the dish the cells
bordering the open space will being dividing until they
have filled the empty space, What does this
experiment show?
The controls on cell
growth and division can
be turned on and off
Which of the following explains why
normal cells grown in a petri dish tend
to stop growing once they have
covered the bottom of the dish?
Contact with other
cells stops cell
growth
In eukaryotic cells, the
timing of the cell cycle
is regulated by ____.
cyclins