Microbiology With Diseases By Taxonomy (6th Edition)
6th Edition
ISBN: 9780134832302
Author: Robert W. Bauman Ph.D.
Publisher: PEARSON
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Textbook Question
Chapter 12, Problem 3MC
Which of the following statements accurately describes prophase?
- a. The cell appears to have a line of chromosomes across the midregion.
- b. The nuclear envelope becomes visible.
- c. The cell constructs microtubules to form a spindle.
- d. Chromatids separate and become known as chromosomes.
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Match the stage of mitosis with the correct description.
a.Microtubles that are attached to each chromosome shorten, pulling the sister chromatids apart.
b.The chromosomes line up single file in the middle of the cell. Sister chromatids are clearly visible in this stage.
c.The chromosomes that were pulled apart reach therir respective poles. The chromosomes decondense. The nuclear envelope re-forms. The cytoplasm with organelles divides.
d.Chromosomes have replicated and appear as an "X". The nuclear envelope begins to break down. The chromosomes begin to condense into individual structures.
e.Centrosomes move to the opposite ends of the cell and establish two spindle poles.The nuclear envelope is completely degraded by the end of this stage. The chromosomes are completely consensed by the end of this stage.
f.Not actually part of mitosis; this stage is the part of the cell cycle that is not the mitotic phase. DNA is decondensed and appears diffuse throughout the…
which of the following describes how RNA and DNA are used in mitosis?
a. leads to the synthesis of proteins that assist in cell replication
b. produce energy for cell division
c. moves vesicles to the middle of the cell to form the cell plate
d. forms spindle fibers that attach to chromosomes
Which of the following statements about mitosis is incorrect?
a. Microtubules from the spindle poles attach to the kinetochores on the chromosomes.
b. In anaphase, the spindle separates sister chromatids and pulls them apart.
c. In metaphase, spindle microtubules align the chromosomes at the spindle midpoint.
d. Cytokinesis describes the movement of chromosomes.
e. Both the animal cell furrow and the plant cell plate form at their former spindle midpoint.
Chapter 12 Solutions
Microbiology With Diseases By Taxonomy (6th Edition)
Ch. 12 - Prob. 1TMWCh. 12 - Why did early taxonomists categorize such...Ch. 12 - Prob. 3TMWCh. 12 - Prob. 5TMWCh. 12 - Why are large eukaryotes such as mosquitoes and...Ch. 12 - Matt spent four weeks in the hospital. The worst...Ch. 12 - Prob. 1MCCh. 12 - Prob. 2MCCh. 12 - Which of the following statements accurately...Ch. 12 - Prob. 4MC
Ch. 12 - Prob. 5MCCh. 12 - Prob. 6MCCh. 12 - Prob. 7MCCh. 12 - Prob. 8MCCh. 12 - Prob. 9MCCh. 12 - Prob. 10MCCh. 12 - Prob. 11MCCh. 12 - Prob. 12MCCh. 12 - Prob. 13MCCh. 12 - Prob. 14MCCh. 12 - Prob. 15MCCh. 12 - 1. ___ Mitosis 2. ___ Meiosis 3. __ Homologous...Ch. 12 - Prob. 2MCh. 12 - 1. __ Chlorophyta 2. __ Rhodophyta 3. __...Ch. 12 - Prob. 2VICh. 12 - How are lichens useful in environmental protection...Ch. 12 - Prob. 4SACh. 12 - Prob. 5SACh. 12 - Why are relatively large animals such as parasitic...Ch. 12 - Name two ways that slime molds differ from true...Ch. 12 - What is the role of rRNA sequencing in the...Ch. 12 - Prob. 9SACh. 12 - Prob. 1FIBCh. 12 - Prob. 2FIBCh. 12 - Prob. 3FIBCh. 12 - Prob. 4FIBCh. 12 - Prob. 5FIBCh. 12 - Prob. 1CTCh. 12 - The host of a home improvement show suggests...Ch. 12 - Prob. 3CTCh. 12 - Prob. 4CTCh. 12 - Prob. 5CTCh. 12 - Why are there more antibacterial drugs than...Ch. 12 - Which metabolic pathways are present in protozoa...Ch. 12 - Prob. 8CTCh. 12 - Prob. 10CTCh. 12 - Prob. 11CTCh. 12 - Prob. 12CT
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- Which of the following statements correctly identifies the difference between plant and animal cell division? Select one: a. The cell walls of plants prevent the process of cytokinesis. b. Plants cells lack centrioles, and they form a cell plate during cytokinesis. c. Both plant and animal cells undergo mitosis and cytokinesis, but they lack the interphase. d. Plant cells lack centromeres, and they form a cell wall to produce two daughter cells.arrow_forwardWhich cell structure is present during plant cell division but not animal cell division? a. spindle. b. cell plate. c. cytokinesis. d. cleavage furrow. e. sister chromatids.arrow_forwardA drug inhibits the formation of microtubules. This drug is added to a culture of cells during G2. How might this drug affect the cell division? A. Cytokinesis could not occur. B. The nuclear envelope would be unable to break down. C. DNA synthesis would not occur. D. The spindle apparatus would be unable to form.arrow_forward
- Which of the following statements are true (Select all that apply) A. The nuclear envelope dissolves in the metaphase and reforms in telophase B. In prophase, chromosomes condense into compact structures C. The spindle forms and attaches to chromosomes in prometaphase D. In anaphase, each sister chromatid moves toward the spindle pole to which it is attached.arrow_forwardWhich of the following rows lists the cell cycle in the correct sequence? Select one: a. Interphase, metaphase, prophase, telophase, anaphase, cytokinesis b. Interphase, prophase, metaphase, anaphase, telophase, cytokinesis c. Interphase, G1, S, G2, mitosis, cytokinesis d. Prophase, metaphase, anaphase, telophasearrow_forwardWhich of the following events occur in the stage of cell division illustrated above? Select one: a. DNA replication b. Homologous chromosomes align at the equator c. Daughter cells form d. Sister chromatids separatearrow_forward
- At what stage in mitosis do the sister chromatids line up along the midline of the cell? a. Metaphase b. Anaphase c. Telophase d. Prophasearrow_forwardWhich statement about eukaryotic chromosomes entering mitosis is NOT true?a. They enter as two chromatids.b. They enter with a single centromere.c. They are soon visible under the light microscope.d. Their DNA is not yet replicated.arrow_forwardthe light micrograph shows dividing cells near the tip of an onion root. identify and encircle a cell in each of the following stages: phrophase , prometaphase, metaphase ,anaphase and telophase. describe the major events occuring at each stage.arrow_forward
- Which of the choices below puts the following events of mitosis into the correct sequence? A. Kinetochore structures form B. Microtubules attach to chromosomes C. Sister chromatids form O C, then B, then A O A, then B, then C O B, then C, then A O A, then C, then B O B, then A, then C O C, then A, then Barrow_forwardProphase is the stage of mitosis characterized by the a. physical seperation of sister chromatids b. appearance of visible chromosomes c. occurrence of cytokinesis d. alignment of chromosomes at center of cellarrow_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_forward
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