EBK MICROBIOLOGY:W/DISEASES BY BODY...-
5th Edition
ISBN: 9780134608242
Author: BAUMAN
Publisher: PEARSON
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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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Students have asked these similar questions
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
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 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
EBK MICROBIOLOGY:W/DISEASES BY BODY...-
Ch. 12 - Why is it incorrect to call mitosis cell division?Ch. 12 - Why did early taxonomists categorize such...Ch. 12 - Prob. 1EDCSCh. 12 - Prob. 3TMWCh. 12 - Why arent there large numbers of pathogenic algae?Ch. 12 - Prob. 5TMWCh. 12 - Prob. 6TMWCh. 12 - Haploid nuclei _________. a. contain one set of...Ch. 12 - Prob. 2MCCh. 12 - Which of the following statements accurately...
Ch. 12 - Prob. 4MCCh. 12 - Prob. 5MCCh. 12 - Prob. 6MCCh. 12 - A phycologist studies which of the following? a....Ch. 12 - The stemlike portion of a seaweed is called its...Ch. 12 - Carrageenan is found in the cell walls of which...Ch. 12 - Prob. 10MCCh. 12 - Which of the following features characterizes...Ch. 12 - Amoebas include microbes with ________. a....Ch. 12 - The motile feeding stage of a protozoan is called...Ch. 12 - Prob. 14MCCh. 12 - Prob. 15MCCh. 12 - 1. ___ Mitosis 2. ___ Meiosis 3. __ Homologous...Ch. 12 - Prob. 2MCh. 12 - Match each of the following descriptions with the...Ch. 12 - Prob. 1VICh. 12 - Prob. 2VICh. 12 - Prob. 1SACh. 12 - Prob. 2SACh. 12 - Prob. 3SACh. 12 - What are the taxonomic challenges in classifying...Ch. 12 - List several economic benefits of algae.Ch. 12 - Why are relatively large animals such as parasitic...Ch. 12 - Prob. 7SACh. 12 - What is the role of rRNA sequencing in the...Ch. 12 - Prob. 9SACh. 12 - The study of protozoa is called ________.Ch. 12 - Prob. 2FIBCh. 12 - Prob. 3FIBCh. 12 - Prob. 4FIBCh. 12 - Prob. 5FIBCh. 12 - How are cysts of protozoa similar to bacterial...Ch. 12 - Prob. 2CTCh. 12 - Why doesnt penicillin act against any of the...Ch. 12 - Prob. 4CTCh. 12 - Prob. 5CTCh. 12 - Prob. 6CTCh. 12 - Which metabolic pathways are present in protozoa...Ch. 12 - Prob. 8CTCh. 12 - Prob. 9CTCh. 12 - Prob. 10CTCh. 12 - Prob. 11CTCh. 12 - Prob. 12CTCh. 12 - Using the following terms, fill in the following...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Which 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_forwardIf cells in the process of dividing are subjected to colchicine, a drug that interferes with the functioning of the spindle apparatus, at which stage will mitosis be arrested?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_forwardMatch the descriptions below with the following stages of mitosis, in the correct order:Prophase; Anaphase; and Cytokinesis.A. Centrioles are found at the poles; Microtubules attach to centromeres; ChromosomescondenseB. Chromosomes align along the metaphase plate; Chromosomes split at the centromere;Microtubules attach to centromereC. Chromosomes shorten and thicken; Chromosomes split at the centromere; Cytoplasm dividesD. Centrioles are found at the poles; Chromosomes split at the centromere; Chromosomes arriveat opposite polesE. Chromosomes shorten and thicken; Chromosomes arrive at opposite poles; Cytoplasmdividesarrow_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_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_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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