Microbiology: Principles and Explorations
9th Edition
ISBN: 9781118743164
Author: Jacquelyn G. Black, Laura J. Black
Publisher: WILEY
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Textbook Question
Chapter 4, Problem 19SQ
Mitosis differs from meiosis in the following ways EXCEPT:
- (a) Mitosis results in a full complement of chromosomes in two cells, whereas meiosis results in four cells having half the number of chromosomes.
- (b) In mitosis, all chromosomes are replicated, whereas in meiosis, only half are replicated.
- (c) Mitosis only occurs in somatic or body cells, whereas meiosis occurs in production of gametes or sex cells.
- (d) None of the above.
- (e) a and c only.
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What is the major difference between mitosis and meiosis I in a diploid organism?
A) Sister chromatids separate in mitosis; homologous pairs of chromosomes separate in meiosis I.
B) Sister chromatids separate in mitosis; homologous pairs of chromosomes separate in meiosis II.
C) DNA replication takes place prior to mitosis, but not before meiosis I.
D) Only meiosis I results in daughter cells that contain identical genetic information.
Human cells normally have 46 chromosomes. For each of the following stages, state the number of chromosomes present in the particular cell.a) metaphase of mitosisb) metaphase I of meiosis
c) telophase of mitosisd) telophase I of meiosis
e) telophase II of meiosis
(Remember that a pair of attached chromatids count as one chromosome.)
Human cells normally have 46 chromosomes. For each of the following
stages, state the number of chromosomes and the number of DNA molecules
found in these chromosomes that are present in a human cell.
a) Metaphase of mitosis
Metaphase I of meiosis
c) Telophase of mitosis (after cytokinesis)
Chapter 4 Solutions
Microbiology: Principles and Explorations
Ch. 4 - Are viruses prokaryotes? Eukaryotes? Why or why...Ch. 4 - Compare surface-to-volume ratios of prokaryotes...Ch. 4 - Prob. 1.3SCCh. 4 - Prokaryotes lack mitochondria. What structure does...Ch. 4 - Compare peptidoglycan and teichoic acid as to...Ch. 4 - What takes place in the periplasmic space? Which...Ch. 4 - Prob. 2.3SCCh. 4 - Compare the cell walls of Gram-positive,...Ch. 4 - How do bacteria move in chemotaxis? Distinguish...Ch. 4 - Prob. 3.2SC
Ch. 4 - Prob. 3.3SCCh. 4 - Distinguish between nucleus and nucleoid.Ch. 4 - Most prokaryotes lack sterols in their plasma...Ch. 4 - Prob. 4.2SCCh. 4 - Give two specific arguments that support the idea...Ch. 4 - Prob. 1CCSCh. 4 - Your roommate has noticed that you now spend most...Ch. 4 - Many of todays antibacterial drugs work by...Ch. 4 - According to the endosymbiotic theory, the...Ch. 4 - Most prokaryotes range in size from 0.5 to 2.0 m,...Ch. 4 - Attribute each of the following to either P,...Ch. 4 - Match the following bacterial morphology...Ch. 4 - Which of the following statement about the...Ch. 4 - Bacteria such as Mycoplasma that lack cell walls...Ch. 4 - Prob. 6SQCh. 4 - Prob. 7SQCh. 4 - Match the following bacterial locomotion and...Ch. 4 - Prob. 9SQCh. 4 - Prob. 10SQCh. 4 - Prob. 11SQCh. 4 - Prob. 12SQCh. 4 - Glucose is often present in very low...Ch. 4 - Prob. 14SQCh. 4 - Peptidoglycan digested from Gram-______ bacteria...Ch. 4 - Prob. 16SQCh. 4 - Prob. 17SQCh. 4 - Prob. 18SQCh. 4 - Mitosis differs from meiosis in the following ways...Ch. 4 - For each of the lettered regions identified on...
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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
- 20. Which of the following occurs during mitosis but not during meiosis I? (A) The chromosomes are pulled to opposite poles of the spindle apparatus. (B) The chromatids of each chromosome are separated. (C) The nuclear envelope breaks down. (D) Both synapsis and crossingover take place. (E) The diploid number of chromosomes is reduced to the haploid number. 21. Oxygen consumption can be used as a measure of metabolic rate because oxygen is (A) necessary for ATP synthesis by oxidative phosphorylation (B) necessary to replenish glycogen levels (C) necessary for fermentation to take place (D) required by all living organisms (E) required to break down the ethanol that is produced in muscles 22. Membranes are components of all of the following EXCEPT a (A) microtubule (В) nu (C) Golgi apparatus (D) mitochondrion (E) lysosome 23. In a mesophyll cell of a leaf, the synthesis of ATP occurs in which of the following? I. Ribosomes II. Mitochondria III. Chloroplasts (A) I only (В) II only (C)…arrow_forwardHomologous chromosomes are (a) the same thing as sister chromatids. (b) a pair of chromosomes of the same kind. (c) identical copies of the same chromosome. (d) always haploid.arrow_forwardThis form of cell division requires the doubling of DNA molecules prior to onset. (Choose one answer.) O A) mitosis only O B) meiosis only C) both mitosis and meiosis D) neither mitosis or or meiosis CS Scanned with CamScannerarrow_forward
- which 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_forwardWhich of the following are differences between mitosis and meiosis I? CHOOSE ALL THAT APPLY. A) Crossing over occurs during meiosis I but not during mitosis B) DNA replication takes place prior to mitosis, but not before meiosis I C) Sister chromatids separate in mitosis, and homologs separate in meiosis I D) Only meiosis I results in daughter cells that contain identical genetic information E) Meiosis I results in two daughter cells, while mitosis results in four daughter cellsarrow_forwardThis form of cell division is possible for a parent cell that is a somatic cell. (Choose one answer.) O A) mitosis only O B) meiosis only O C) both mitosis and meiosis D) neither mitosis or or meiosis CS Scanned with CamScannerarrow_forward
- The formation of _______ during ______ occurs in meiosis, and is different from what occurs in mitosis. A) tetrad; prophase I B) metaphase plate; metaphase I C) centrosomes; prophase I D) spindle fibers; prophasearrow_forwardA cell in G1 of interphase has 12 chromosomes. How many chromosomes and DNA molecules (chromatids) will be found per cell when this original cell progresses to the following stages? a) G2 of interphaseb) Metaphase I of meiosisc) Prophase of mitosisd) Prophase II of meiosise) After cytokinesis following mitosis f) After cytokinesis following meiosisarrow_forward16. Which of the following statements describes a major difference between mitosis and meiosis I in a diploid organism? A) Sister chromatids separate in mitosis, while homologous pairs of chromosomes separate in meiosis I. B) Sister chromatids separate in mitosis, while homologous pairs of chromosomes separate in meiosis II. C) DNA replication takes place prior to mitosis, but not before meiosis I. D) Only meiosis I results in daughter cells that contain identical genetic information. 17. Which of the following events happens at the conclusion of meiosis I? A) Homologous chromosomes of a pair are separated from each other. B) The chromosome number per cell remains the same. C) Sister chromatids are separated. D) Four daughter cells are formed. 18. Refer to the drawings in the figure below of a single pair of homologous chromosomes as they might appear during various stages of either mitosis or meiosis, and answer the following question. Which diagram represents anaphase I of meiosis?…arrow_forward
- Meiosis II is similar to mitosis in that(A) sister chromatids separate during anaphase.(B) DNA replicates before the division.(C) the daughter cells are diploid.(D) homologous chromosomes synapsearrow_forwardThe two homologs of a pair move toward opposite poles ofdividing cell during(A) mitosis.(B) meiosis I.(C) meiosis II.(D) fertilization.arrow_forwardWhich 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.arrow_forward
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