Campbell Biology (11th Edition)
11th Edition
ISBN: 9780134093413
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece
Publisher: PEARSON
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Textbook Question
Chapter 12, Problem 6TYU
Which of the following does not occur during mitosis?
(A) condensation of the chromosomes
(B) replication of the DNA
(C) Separation of sister chromatids
(D) spindle formation
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Which of the following does not occur during mitosis?
(a)
(b)
(c)
(d)
Chromatin condenses and forms chromosomes.
Chromosomes move to the equator of the cell.
Spindle fibres pull homologous chromosomes to opposite poles of the cell.
Two new nuclei are formed that have two full sets of genetic information.
Which of the following events does not take place during mitosis?(a) The centromeres of the chromosomes split. (b) The nucleoli disappear, and the two centrosomes separate from one another. (c) The nuclear envelope breaks. (d) Four daughter cells are generated. (e) The chromosomes cluster at the cell’s equator.
a) In which stage of mitosis do chromosomes condense?
(b) If a eukaryotic organism has a total of 34 chromosomes, how many pairs will the chromosomes be arranged in?
(c) Define homologous chromosomes.
Chapter 12 Solutions
Campbell Biology (11th Edition)
Ch. 12.1 - How many chromosomes are drawn in each part of...Ch. 12.1 - WHAT IF? A chicken has 78 chromosomes in its...Ch. 12.2 - How many chromosomes are shown in the illustration...Ch. 12.2 - Compare cytokinesis in animal cells and plant...Ch. 12.2 - During which stages of the cell cycle does a...Ch. 12.2 - Compare the roles of tubulin and actin during...Ch. 12.2 - A kinetochore has been compared to a coupling...Ch. 12.2 - MAKE CONNECTIONS What other functions do actin...Ch. 12.3 - In Figure 12.14, why do the nuclei resulting from...Ch. 12.3 - How does MPF allow a cell to pass the G2 phase...
Ch. 12.3 - MAKE CONNECTIONS Explain how receptor tyrosine...Ch. 12 - Differentiate between these terms: chromosome,...Ch. 12 - In which of the three phases of interphase and the...Ch. 12 - Explain the significance of the G1, G2, and M...Ch. 12 - Through a microscope, you can see a cell plate...Ch. 12 - Vinblastine is a standard chemotherapeutic drug...Ch. 12 - One difference between cancer cells and normal...Ch. 12 - The decline of MPF activity at the end of mitosis...Ch. 12 - In the cells of some organisms, mitosis occurs...Ch. 12 - Which of the following does not occur during...Ch. 12 - Cell A has half as much DNA as cells B, C, and D...Ch. 12 - The drug cytochalasin B blocks the function of...Ch. 12 - VISUAL SKILLS The light micrograph shows dividing...Ch. 12 - DRAW IT Draw one eukaryotic chromosome as it would...Ch. 12 - EVOLUTION CONNECTION The result of mitosis is that...Ch. 12 - SCIENTIFIC INQUIRY Although both ends of a...Ch. 12 - WRITE ABOUT A THEME: INFORMATION The continuity of...Ch. 12 - SYNTHESIZE YOUR KNOWLEDGE For selected answers,...
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- Name the stage of cell cycle at which one of the following events occur:(i) Chromosomes are moved to spindle equator.(ii) Centromere splits and chromatids separate.(iii) Pairing between homologous chromosomes takes place.(iv) Crossing over between homologous chromosomes takes place.arrow_forward. A cell near the end of anaphase of mitosis will have ________. A) no chromosomes in the center of the cell B) chromosomes clustered at one end of the cell C) individual chromatids beginning to separate from one another D) chromosomes clustered tightly at the center E) one large nuclear envelopearrow_forwardWhich of the following does not occur during interphase? (a) (b) (c) (d) DNA is replicated. Spindle fibres form. New organelles are formed. The cell size increases.arrow_forward
- Select the best answer or answers from the choices given: The phase of mitosis during which centrioles reach the poles and chromosomes attach to the spindle is (a) anaphase, (b) metaphase, (c) prophase, (d) telophase.arrow_forwardwhich of the following is not true about mitosis? a.) chromosomes line up in metaphase by connecting to kinetechore proteins b.) the process starts out as a diploid cell c.) dna replicates in M phase d.) cells can be 4n if cytokenisis does not occur at the endarrow_forwardWhat one is in anaphase of mitosisarrow_forward
- 1) Examine the picture of an onion root tip with cells in various stages of the cell cycle. A student claims that interphase is the longest stage of the cell cycle. Another student claims that mitosis is the longest stage. Using evidence from the photo, determine which student is correct and why. A) Mitosis is the longest stage because anaphase requires more time to separate chromatids. B) Interphase is the longest stage because chromosomes are visible in the majority of the cells. C) Mitosis is the longest stage because the majority of the cells in the photo are replicating their DNA. D) Interphase is the longest stage because the majority of the cells in the photo have uncondensed chromatin and are not dividing. Not Gradedarrow_forwardIf there are 20 chromosomes in a cell at metaphase, how many chromosomes are there is each daughter cell following cytokinesis of mitosis? a.)10 b.)20 c.)40 d.)80arrow_forwardAt the end of which phase(s) of the mitotic cell cycle does each chromosome consist of two sister chromatids? Indicate all correct answers – more than one answer is correct. a) G1 of interphase b) G2 of interphase c) anaphase d) metaphase e) prophase f) telophasearrow_forward
- Which of the following diagrams correctly depicts the orientation of microtubules during metaphase of mitosis? A B C OA I (-) (+) (+) (+) (+) (+) (+) (+) (+)50 (+) == (-) XX [(+) (-) E (-) J ++) (+) - (+) (-) (+) 11 15+ E (+) (-) 50 at &&05 (-) 50) (+) (-) (-) (+) (-) D E (+) (+) (+) D (-) St (+) coff (+) (-) (+) (+) (-) (-) (+) (-) (-) affere XXX (-)- (-) ++) (+) (-) (-) (-) (-) Karrow_forwardThe reconstruction of the nuclear membrane takes place in what phase of the cell cycle? a.)Prophase b.)Metaphase c.)Anaphase d.)Telophasearrow_forwardWhich stage of mitosis in an animal cell does each part of Figure Q6 represent? (A) (B) (C) (D) Figure Q6arrow_forward
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