WorksheetsBiology - Cell Cycle and Cell Division
Total questions: 67
Worksheet time: 2hrs 14mins
Where are chromosomes located?
Located in the cytoplasm of prokaryotic cells
Located in the nucleus of prokaryotic cells
Located in the nucleus of eukaryotic cells
Located in the cytoplasm of eukaryotic cells
What is interphase designed to do?
Allow cells to grow and shrink
Replicate DNA
Allow cells to grow
Check for proper environmental conditions before dividing
Allow cells to shrink
Cells are taking in nutrients
Proteins are being synthesized
Organelles are duplicated
G1
S phase
G2
Begins after G1 checkpoint
New DNA is replicated
Two DNA copies are made
G1
S phase
G2
Cells grow bigger
Continue to make proteins
Energy is replenished
Stops at G2 checkpoint
G1
S phase
G2
Place the stages of mitosis in the correct order.
Prophase, Metaphase, Telophase, Anaphase
Prophase, Metaphase, Anaphase, Telophase
Prophase, Telophase, Anaphase, Metaphase
Prophase, Telophase, Metaphase, Anaphase
What is the longest stage of the cell cycle called?
G1 phase
G2 phase
S phase
Mitosis
During what phase of the cell cycle is DNA replicated?
G1
G2
S phase
During what phase of the cell cycle does the cell grow?
G1
G2
S phase
Which of the following statements is not true of the relationship between cell growth and cell division?
Cells grow to be large so that more nutrients can enter and exit the cell membrane
Cells stop growing and divide to stop information overload
Cells stop growing and divide so demands on DNA are limited
As cells grow the DNA contained in the nucleus stays the same
Asexual reproduction differs from sexual reproduction because:
Asexual reproduction results in greater generic diversity
Asexual reproduction needs two parents to produce offspring
Sexual reproduction results in greater genetic diversity
Sexual reproduction is the same as asexual reproduction
Interphase is the phase of the cell cycle that includes which of the following stages...
Growth 1, anaphase, and synthesis
Growth 1, synthesis, and growth 2
Growth 1, cytokinesis, and mitosis
Growth 1, synthesis, and mitosis
Which checkpoint of the cell cycle checks for the proper and complete replication of DNA?
G2
G1
Spindle checkpoint
Cytokinesis
In what stage of the cell cycle does DNA replicate?
G1
G2
Synthesis
Cytokinesis
How many cells are created in mitosis?
DNA splits to create two identical cells called daughter cells
DNA splits to create four identical cells called daughter cells
DNA splits to create thirty two identical cells called daughter cells
DNA splits to create twenty one identical cells called daughter cells
What are the two main functions of mitosis?
Allows the body to grow and develop
Allows new cells to constantly be replaced
Allows old cells to be replaced by new cells
Allows the body to be held together
The longest phase of mitosis. Chromosomes condense and become visible Spindles form go help separate chromosomes. Nucleolus disappears and the nuclear envelope breaks down.
Prophase
Metaphase
Anaphase
Telophase
The shortest of all the phases. Centromeres line up among the imaginary plate. Spindle fibers connect the centromere of each chromosome to the two pairs.
Prophase
Metaphase
Anaphase
Telophase
Sister chromatids separate and move apart along the spindle fibers. Each chromatid is now one individual chromosome.
Prophase
Metaphase
Anaphase
Telophase
Distinct chromosomes begin to spread out into a tangle of chromatin. Nuclear envelope reforms. Spindle fibers break apart. Nucleolus becomes visible in each daughter cell.
Prophase
Metaphase
Anaphase
Telophase
The result of mitosis is two nuclei with a duplicate set of chromosomes. The cell splits to make daughter cells. The two new cells then begin the cell cycle all over again beginning with interphase.
Cell division
Cytokinesis
Mitosis
Telophase
About what percent of a cell’s life cycle is spent in interphase?
50-55%
70-75%
80-85%
85-90%
Genetic material is called (1) and then referred to as (2) and is clearly visible during (3)
(1) Chromatid (2) Chromosomes (3) Cell Division
(1) Chromosomes (2) Chromatid (3) Mitosis
(1) Chromatid (2) Chromosomes (3) Mitosis
(1) Chromosomes (2) Chromosomes (3) Mitosis
What forms during prophase and later attach and move chromosomes?
Chromatid
Nuclei
Nucleolus
Spindles
During what stage are sister chromatids separated and move to opposite poles?
Prophase
Metaphase
Anaphase
Telophase
What happens during Telophase?
Nucleolus is visible
Spindle fibers break apart
Nuclear envelope forms
Chromosomes spread into chromatids
The cell starts to grow
The cell cycle in prokaryotes produces cells that are the ______ as the parent cell by a process called _______
Different: sexual reproduction
Same: mitosis
Same: meiosis
Equal: binary fission
What process must happen before cells start to divide?
DNA must be replicated
DNA must undergo respiration
Organelles must divide
Organelles must be replicated
Which process produces the most variation within a species?
Asexual reproduction
Binary fission
Mitosis
Sexual reproduction
What happens in mitosis during metaphase?
Spindle fibers disappear
Duplicated chromosomes pull apart alone the metaphase plate
The nuclear membrane disappears
The duplicated chromosomes line up among the metaphase plate in the middle of the cell
The chemical colchicine districts cell division. Which cell process would most likely stop of colchicine were added to a culture of human liver cells?
Mitosis
Meiosis
Crossing over
Active transport
Which of the following is a form of asexual reproduction?
Mitosis
Meiosis
Cell division
Interphase
Examples of mitosis include:
Parent and offspring are identical
Parent and offspring are different
Creates new body cells in eukaryotes
Creates new body cells in prokaryotes
Each of the two threadlike strands in a chromosome
Chromatid
Diploid
Haploid
Sperm
A cell with two of each kind of chromosome
Diploid
Haploid
Sperm
Egg
A cell containing one of each kind of chromosome
Diploid
Haploid
Sperm
Egg
Cell division that results in four genetically different haploid cells. Used to produce gametes in sexual reproducing organisms
Mitosis
Meiosis
Diploid
Haploid
What is the result of meiosis I?
2 daughter cells with different genetic information
2 daughter cells with the same genetic information
46 daughter cells with different genetic information
2 daughter cells with the same genetic information
A picture to show the appearance and number of chromosomes used to determine if there is a disease caused by a genetic mutation?
Nondisjunction
Karyotype
Diploid
Haploid
What pair of chromosomes determine gender in humans?
19th
21st
23rd
25th
What disease is caused by 3 chromosomes on the last pair?
Down Syndrome
Turner's Syndrome
Klinefelter's Syndrome
Patau Syndrome
Affects only males, occurs when an X chromosome is present. Results in 47 chromosomes
Down Syndrome
Turner's Syndrome
Klinefelter's Syndrome
Patau Syndrome
Affects only females, occurs when there is a partial or complete absence of the 2nd sex chromosome. Results in monosomy and 45 chromosomes.
Down Syndrome
Turner's Syndrome
Klinefelter's Syndrome
Patau Syndrome
What is the official definition of cancer?
The uncontrolled cell division that is linked to cell cycle regulators.
When cell has damaged DNA and the cell dies
When a cell migrates or metastasizes to other areas in the body and grow blood vessels to give oxygen and nutrients
Result of a gene mutation that produced faulty proteins
Select all that describe a "Normal Cell"
Divide about 40 – 60 times before they “grow old” and die
Respond to cell cycle regulator signals to stop dividing
When cell has damaged DNA the cell dies
Ignore signals to stop dividing, respond to positive and negative factors
Divide many more times than normal cells
Select all that describe a "Cancer Cell"
Divide many more times than normal cells
Ignore signals to stop dividing, respond to positive and negative factors
Still continue to divide despite damage to DNA
Can migrate or metastasize to other areas in the body and grow blood vessels to give the tumor oxygen and nutrients
Respond to cell cycle regulator signals to stop dividing
What part of the cell cycle is responsible for replacing old cells?
Mitosis
Meiosis
Prophase
Interphase
What happens during the cell cycle when a cell becomes cancer?
Checkpoints repeat
Checkpoints don’t function properly
Mitosis is repeated
Cells shrink
Last year Diana was 5 feet tall. This year, Diana is 5’5” tall. What cellular process allowed her to grow?
Mitosis
Meiosis
Interphase
Cell division
Interphase
Prophase
Metaphase
Anaphase
Telophase
Interphase
Prophase
Metaphase
Anaphase
Telophase
Interphase
Prophase
Metaphase
Anaphase
Telophase
Interphase
Prophase
Metaphase
Anaphase
Telophase
Interphase
Prophase
Metaphase
Anaphase
Telophase
How many chromosomes are in a human somatic cell? Is this a diploid or a haploid?
46, Diploid
46, Haploid
23, Diploid
23, Haploid
What is the purpose of crossing-over in meiosis?
To create mutations in gametes to increase variation
To randomly separate homologous chromosome pairs
To reduce the number of chromosomes in gametes by one half
To create new combinations of alleles on homologous chromosomes
An individual has three number 21 chromosomes. Which is most likely the cause?
Disjunction
Crossing over
Gene mutation
Nondisjunction
Which is true in both mitosis and meiosis?
Production of haploid cells
Division of two cells into four
Cytokinesis after nuclear division
Formation of genetically identical cells
In human beings, which factor determines the sex of an individual?
Number of chromosomes
Presence of Y chromosome
Pairing with the X chromosome
Formation of genetically identical cells
What is the final step in the cell cycle?
Cell grows in the G1 phase
Cell divides through mitosis
DNA replicates in the S phase
Cytoplasm divides through cytokinesis
Down syndrome occurs when an individual has three on chromosome 21. Which best explains the cause of Down Syndrome?
During crossing over, DNA strands become tangled leading to three-stranded DNA
During DNA replication, a chromosome is incorrectly replicated one additional time
During meiosis, either homologous chromosomes or sister chromatids fail to separate
During mitosis, either homologous chromosomes or sister chromatids fail to separate
Which is more associated with mitosis than with meiosis?
Crossing over
Nondisjunction
Production of sex cells
Identical daughter cells
On a human karyotype, what chromosome pair would have a mutation when there is a diagnosis of Klinefelter’s Syndrome?
The first pair of chromosomes
The second pair of chromosomes
The 21st pair of chromosomes
The 23rd pair of chromosomes
Which is less likely to be a function of mitosis?
Organism growth
Body tissue repair
Gamete development
Asexual reproduction
Which best explains why cells that have undergone meiosis are haploid?
Cell division happens only once, and DNA replicates after the division
Cell division happens only once, and DNA replicates before the division
Cell division happens twice, and DNA replicates before the second division
Cell division happens twice, and DNA replicates before the first division
If a body cell of a chimpanzee contains 48 chromosomes, a gamete produced by a chimpanzee will contain how many chromosomes?
24 chromosomes
36 chromosomes
48 chromosomes
96 chromosomes
What are the subunits of DNA and their function
Nucleotides that store information
Monosaccharides that provide quick energy for the cell
Lipids that store energy and provide insulation
Proteins that provide the building blocks and structural components of organisms
