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WorksheetsBio 5 Cell Division and Growth
Total questions: 55
Worksheet time: 28mins
In which stage of the cell cycle do the nucleus and its contents divide?
synthesis
gap 1
mitosis
gap 2
During the gap 1 stage of the cell cycle, a cell
splits into two new cells
carries out its normal functions
duplicates its DNA
divides its cytoplasm
Which of the following phrases best describes cytokinesis?
division of the cytoplasm
division of the nucleus
division of DNA
division of surface area
Which statement is true about the rates of cell division in eukaryotes?
They remain the same for the life of the organism
They are faster than that of prokaryotes
They increase with the age of the organism
They vary greatly within an organism
Which of the following limits the maximum size of a cell?
the stage of the cell cycle
the ratio of cell surface area to volume
the number of mitochondria in the cell
the size of the organism
The processes of mitosis and cytokinesis produce two identical
daughter cells
strands
chromosomes
chromatids
The process of organizing and condensing DNA into its compact form takes place at the start of
interphase
metaphase
mitosis
cytokinesis
Which is the term for the group of proteins that organizes and condenses long strands of DNA into tight coils?
telomeres
centromeres
chromatids
histones
During which phase of mitosis do sister chromatids separate from each other?
prophase
metaphase
anaphase
telophase
Which of the following statements is true of cytokinesis?
takes place in plant cells only
completes the cell cycle
organizes DNA
occurs during prophase
Proteins that bind to cells and stimulate cell division are called
enzymes
kinases
growth factors
carcinogens
What is the term for the programmed death of cells?
kinase
cyclin
carcinogen
apoptosis
Two internal factors that are important in advancing the cell cycle are
kinases and cyclins
hormones and enzymes
phosphates and enzymes
proteins and platelets
Which phrase best describes cancer?
absence of cyclins
multiple gene mutations
uncontrolled cell growth
presence of genetic defects
Substances known to produce or promote cancer are called
carcinogens
kinases
cyclins
malignancies
The most common form of reproduction among prokaryotes is
sexual reproduction
binary fission
budding
fragmentation
What is the main difference between binary fission and mitosis?
There is no DNA replication in binary fission.
Two parents are required for mitotic reproduction.
Binary fission occurs in single-celled organisms only.
Mitosis takes place only in sexual reproduction.
Which of the following statements is true of asexual reproduction?
It produces few offspring.
It produces genetically identical offspring.
It produces genetic diversity.
It produces offspring that are resistant to antibiotics.
Starfish that reproduce by splitting into pieces are reproducing by
binary fission.
vegetative reproduction.
budding
fragmentation
Vegetative reproduction, budding, and fragmentation are examples of
asexual mitotic reproduction
reproduction through binary fission
prokaryotic colony formation
increased genetic variation
Which sequence shows the progression from least complex structure to most complex structure?
cell → organ → tissue → organ system
cell → tissue → organ → organ system
organ system → tissue → organ → cell
organ system → organ → tissue → cell
Which phrase best describes an organ system?
group of specialized cells that forms organs
group of cells that differentiates at the same rate
group of tissues that performs a function
group of organs that work together
Which of the following is a direct result of a normal cell’s ability to express only certain genes?
Cells can become totipotent.
Cells can grow and reproduce.
Cells can mutate and adapt.
Cells can differentiate and specialize.
Stem cells are important to multicellular organisms because of their
capacity to differentiate.
tendency to maintain homeostasis.
potential to become totipotent.
ability to relocate.
Which type of stem cell can grow into any other cell type?
somatic
multipotent
totipotent
pluripotent
If a cell cannot move enough material through its membrane to survive, then the ratio of its surface area to volume is
too large.
just the right size.
too small.
growing too quickly.
During which of the following stages does the cytoplasm of a cell divide?
gap 1
synthesis
gap 2
mitosis
Before a cell can proceed to mitosis from the gap 2 stage of the cell cycle, it must
double in size.
complete a full cell cycle.
undergo cytokinesis.
pass a critical checkpoint.
During interphase a cell grows, duplicates organelles, and
copies DNA.
divides the nucleus.
divides the cytoplasm.
produces a new cell.
Why do the cells lining the stomach divide more quickly than those in the liver?
They are much smaller cells.
They have fewer chromosomes.
They need much more surface area.
They undergo more wear and tear.
Kinases and cyclins are internal factors that
cause apoptosis.
control the cell cycle.
cause cancer cells to break away.
prevent mitosis.
Proteins from outside a cell that stimulate it to divide are called
oncogenes
stem cells.
cyclins
growth factors.
Which statement describes the chromosome shown?
It is made up of two histones.
It is made up of two chromatids.
It is made up of two centromeres.
It is made up of two telomeres.
One difference between a cancer cell and a normal cell is that
cancer cells divide uncontrollably.
normal cells divide uncontrollably.
cancer cells cannot make copies of DNA.
normal cells cannot make copies of DNA.
Which statement about the process of binary fission is true?
It does not involve the division of cytoplasm.
It does not require any duplication of DNA.
It does not take place in multicellular organisms.
It does not produce genetically identical offspring.
A plant’s leaf consists of
a group of organs.
various types of tissue.
organs that form a system.
many identical cells.
In a single-celled organism, mitosis is used for
development
reproduction
growth
repair
Cells in a developing embryo differentiate based on
their location in the embryo.
symmetry in the first division.
their particular DNA.
secretions from the embryo.
Which organism is capable of reproduction through asexual mitosis?
horse
oak tree
bacterium
starfish
Which of the following is true of malignant tumors?
They do not require treatment.
They are easily removed through surgery.
They can cause tumors in other parts of the body.
They contain cells that stay clustered together.
What does a cell make during the synthesis stage of the cell cycle?
more organelles
a copy of DNA
daughter cells
greater surface area
Before a cell can move from the G1 or G2 stage to the next stage of the cell cycle, it must grow and
double in size.
duplicate its DNA.
complete interphase.
pass a critical checkpoint.
During which of the following stages shown does cytokinesis take place?
gap 1
synthesis
gap 2
mitosis
The gap 1, gap 2, and synthesis stages of the cell cycle make up
interphase
telophase
cytokinesis
mitosis
Molecules that control the stages of the cell cycle in all eukaryotes are similar. This fact suggests that
binary fission and mitosis are the same.
rates of cell division are uniform.
cells of eukaryotes rarely divide.
eukaryotes share a common ancestry.
Which of the following is an example of an internal factor that controls the cell cycle?
growth factor
kinase
cell-cell contact
erythropoietin
A hormone present in the blood can stimulate the growth of certain cells. The hormone is acting as a(n)
oncogene
carcinogen
daughter cell.
external factor.
If a tumor is malignant, then cancer cells from the tumor
are harmless.
remain clustered together.
can form more tumors.
create more carcinogens
One difference between a cancer cell and a normal cell is that
cancer cells can divide in the absence of growth factors.
cancer cells continue in the G0 stage indefinitely.
cancer cells cannot copy DNA during the synthesis phase.
cancer cells are killed by radiation and chemotherapy
Which statement is true of the chromosome shown in?
Its telomeres have been shortened due to repeated cell division.
Its left and right halves carry identical genetic information.
Its sister chromatids have spindle fibers attached.
Its centromere has been lost during the copying of DNA.
Offspring that are genetically unique are the result of
mitotic reproduction.
asexual reproduction.
sexual reproduction.
vegetative reproduction.
Multicellular organisms use mitosis for growth, development, and
apoptosis
repair
reproduction
interphase
Which phrase best describes fragmentation?
parent organism produces eggs and sperm, which form a new organism.
parent organism sends off runner that grows into new organism.
parent organism splits into pieces, each of which forms a new organism.
parent organism sprouts projection that becomes new organism.
In vertebrates, differentiation of cells is influenced by
whether the cell is apical or basal.
how rapid the first divisions are.
variations in the organisms’ DNA.
where the cells migrate.
Which of the following reproduce asexually through mitosis?
many multicellular eukaryotes
most unicellular prokaryotes
only unicellular eukaryotes
some multicellular and unicellular eukaryotes
