Polyploidy in plants
Blooms Level: 2. Understand
Gradable: automatic
LO: 15.04.04 Give examples of how changes in chromosome number affect the characteristics of animals and plants.
Section: 15.04 Variation in Chromosome Structure and Number
Topic: Meiosis
Meiosis I produces ________, and meiosis II produces _________ cells.
two haploid, 4 haploid
Meiosis I produces ________, and meiosis II .
Blooms Level: 1. Remember
Gradable: automatic
LO: 15.03.02 Outline the key events that occur during the phases of meiosis.
Section: 15.03 Meiosis and Sexual Reproduction
Topic: Meiosis
Colchicine is a toxin that binds to tubulin proteins and prevents microtubules from polymerizing. What affect might this have on dividing cells?
Sister chromatids will not be properly separated into separate daughter cells
You prepare the first ever karyotype of an endangered species of frog. Upon examination you find that all the chromosomes are metacentric. This is going to make it difficult to identify
both the p and q arms of the chromosome.
You prepare the first ever karyotype of an e.
Blooms Level: 2. Understand
Gradable: automatic
LO: 15.01.01 Describe the features of chromosomes and how sets of chromosomes are examined microscopically.
Section: 15.01 The Eukaryotic Cell Cycle
Topic: Cell Cycle and Mitosis.
Which of the following is NOT a checkpoint that controls the progression of the cell cycle?
Cytokinesis involves the formation of cleavage furrow to separate the cells.
The control of the cell cycle involves all o.
Blooms Level: 2. Understand
Gradable: automatic
LO: 15.01.03 Explain how cyclins and cdks work together to advance a cell through the eukaryotic cell cycle.
Section: 15.01 The Eukaryotic Cell Cycle
Topic: Cell Cycle and Mitosis
Consider a cell in which all of the homologous chromosomes experience nondisjunction during meiosis I. What would be the result of this event?
"Resulting are aneuploid, resulting in gametes with 4 chromosomes and 2 chromosomes instead of 3"
?two polyploid gametes
?one trisomic and three monosomic gametes
?four aneuploid gametes
?four monosomic gametes
X four aneuploid gametes: one trisomic and three monosomic
Consider a cell in which all of the homologo.
Blooms Level: 4. Analyze
Gradable: automatic
LO: 15.04.03 Compare and contrast changes in the number of sets of chromosomes and changes in the number of individual chromosomes.
Section: 15.04 Variation in Chromosome Structure and Number
Topic: Meiosis
Chromosomes inside the nucleus do not overlap with each other because
they all have a specific chromosome territory that is determined by the nuclear matrix.
Chromosomes inside the nucleus do not overla.
Blooms Level: 2. Understand
Gradable: automatic
LO: 15.01.01 Describe the features of chromosomes and how sets of chromosomes are examined microscopically.
Section: 15.01 The Eukaryotic Cell Cycle
Topic: Cell Cycle and Mitosis
Which of the following statements about sister chromatids is TRUE?
?Sister chromatids are produced during mitosis
?Sister chromatids are held together by complementary base pairing of DNA at the centromere
2 = ?Sister chromatids are exact copies of each other
X Sister chromatids contain the same genes, but they may have different alleles
Blooms Level: 4. Analyze
Gradable: automatic
LO: 15.02.01 Describe how the replication of eukaryotic chromosomes produces sister chromatids.
Section: 15.02 Mitotic Cell Division
Topic: Cell Cycle and Mitosis
What does not happen in the cytokinesis of plant cells?
Formation of cleavage furrow to separate the cells
What does not happen in the cytokinesis of p.
Blooms Level: 2. Understand
Gradable: automatic
LO: 15.02.03 Outline the key events that occur during the phases of mitosis.
Section: 15.02 Mitotic Cell Division
Topic: Cell Cycle and Mitosis
The process by which haploid cells are produced from diploid cells is called
The process by which haploid cells are produ.
Blooms Level: 1. Remember
Gradable: automatic
LO: 15.03.02 Outline the key events that occur during the phases of meiosis.
Section: 15.03 Meiosis and Sexual Reproduction
Topic: Meiosis
The following graph represents the concentration of cyclins over the course of the cell cycle. Which of the following statements is TRUE regarding the phase of the cell cycle where the green arrow (highest concentration of m-cyclin in M phase) is pointing?
?At this point in the cell cycle, the cell has determined that the DNA is intact and environmental conditions are favorable for DNA replication
?At this point in the cell cycle, chromosomes have properly aligned on the metaphase plate and are beginning to separate
?At this point in the cycle the cell is determining if environmental conditions are favorable for growth and proliferation
?At this point in the cycle the cell is continuing to grow and make abundant tubulin proteins
cyclins in the cell cycle
Blooms Level: 4. Analyze
Gradable: automatic
LO: 15.01.03 Explain how cyclins and cdks work together to advance a cell through the eukaryotic cell cycle.
Section: 15.01 The Eukaryotic Cell Cycle
Topic: Cell Cycle and Mitosis
During prometaphase, the sister chromatids organize into a single row in the center of the cell.
prometaphase: nuclear envelope completely fragments into small vesicles and the mitotic spindle is fully formed
During prometaphase, the sister chromatids o.
Blooms Level: 2. Understand
Gradable: automatic
LO: 15.02.03 Outline the key events that occur during the phases of mitosis.
Section: 15.02 Mitotic Cell Division
Topic: Meiosis
One major difference between metaphase I and metaphase II is the presence or absence of bivalents.
One major difference between metaphase I and.
Blooms Level: 2. Understand
Gradable: automatic
LO: 15.03.02 Outline the key events that occur during the phases of meiosis.
Section: 15.03 Meiosis and Sexual Reproduction
Topic: Meiosis
The following graph represents the concentration of cyclins over the course of the cell cycle. Which of the following statements is TRUE regarding the phase of the cell cycle where the red arrow (highest concentration of G1/S-cyclin) is pointing?
At this point in the cell cycle, the cell is committing to divide mitotically
Cyclin and the cell cycle
Blooms Level: 4. Analyze
Gradable: automatic
LO: 15.01.03 Explain how cyclins and cdks work together to advance a cell through the eukaryotic cell cycle.
Section: 15.01 The Eukaryotic Cell Cycle
Topic: Cell Cycle and Mitosis
DNA associates very tightly with nucleosomes because
negative charges on DNA are attracted to positive charges of the histone proteins.
the overall charge of DNA is negative. Opposite charges attract. The histones are positively charged. The two charges are attracted to each other causing them to bind
LO: 15.01.01 Describe the features of chromosomes and how sets of chromosomes are examined microscopically.
Section: 15.01 The Eukaryotic Cell Cycle
Topic: Cell Cycle and Mitosis
The major way that meiosis II differs from mitosis is that
in meiosis II, the cells are haploid.
The major way that meiosis II differs from m.
Blooms Level: 2. Understand
Gradable: automatic
LO: 15.03.03 Compare and contrast mitosis and meiosis, focusing on key steps that account for the different outcomes of these two processes
Section: 15.03 Meiosis and Sexual Reproduction
Topic: Meiosis
Which of the following statements about the cell cycle is correct?
When the S phase of the cell cycle is finished, a cell has twice as many chromatids as the number of chromosomes in the G1 phase.
Which of the following statements is correct.
Blooms Level: 2. Understand
Gradable: automatic
LO: 15.01.02 List the phases of the eukaryotic cell cycle.
Section: 15.01 The Eukaryotic Cell Cycle
Topic: Cell Cycle and Mitosis
Which of the following is NOT a part of the mitotic spindle apparatus in plants?